diff --git a/client/components/import/import.jade b/client/components/import/import.jade
index a1fbd83bc74..5b52f417076 100644
--- a/client/components/import/import.jade
+++ b/client/components/import/import.jade
@@ -12,11 +12,11 @@ template(name="import")
 
 template(name="importTextarea")
   form
-    p: label(for='import-textarea') {{_ instruction}}
+    p: label(for='import-textarea') {{_ instruction}} {{_ 'import-board-instruction-about-errors'}}
     textarea.js-import-json(placeholder="{{_ 'import-json-placeholder'}}" autofocus)
       | {{jsonText}}
     if isSandstorm
-      h1.warning DANGER !!! THIS DESTROYS YOUR IMPORTED DATA, CAUSES BOARD NOT FOUND ERROR WHEN YOU OPEN THIS GRAIN AGAIN https://github.com/wekan/wekan/issues/1430
+      h1.warning {{_ 'import-sandstorm-backup-warning'}}
       p.warning {{_ 'import-sandstorm-warning'}}
     input.primary.wide(type="submit" value="{{_ 'import'}}")
 
diff --git a/i18n/ar.i18n.json b/i18n/ar.i18n.json
index 4f13db90e87..06ffb1d38a6 100644
--- a/i18n/ar.i18n.json
+++ b/i18n/ar.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "استيراد لوحة",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "استيراد لوحة من ويكان",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "من تريلو",
     "from-wekan": "من ويكان",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text",
     "import-board-instruction-wekan": "في لوحة ويكان الخاصة بك، انتقل إلى 'القائمة'، ثم 'تصدير اللوحة'، ونسخ النص في الملف الذي تم تنزيله.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "رسم خريطة الأعضاء",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/bg.i18n.json b/i18n/bg.i18n.json
index 9b0e3c749e3..bddfb7345ce 100644
--- a/i18n/bg.i18n.json
+++ b/i18n/bg.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Импортирай Табло",
     "import-board-title-trello": "Импорт на табло от Trello",
     "import-board-title-wekan": "Импортирай табло от Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Импортирането ще изтрие всичката налична информация в таблото и ще я замени с нова.",
     "from-trello": "От Trello",
     "from-wekan": "От Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Копирайте валидната Ви JSON информация тук",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/br.i18n.json b/i18n/br.i18n.json
index ab015806578..84233da4f8e 100644
--- a/i18n/br.i18n.json
+++ b/i18n/br.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/ca.i18n.json b/i18n/ca.i18n.json
index 1830946a39e..a237b2376b5 100644
--- a/i18n/ca.i18n.json
+++ b/i18n/ca.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importa tauler",
     "import-board-title-trello": "Importa tauler des de Trello",
     "import-board-title-wekan": "I",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Estau segur que voleu esborrar aquesta checklist?",
     "from-trello": "Des de Trello",
     "from-wekan": "Des de Wekan",
     "import-board-instruction-trello": "En el teu tauler Trello, ves a 'Menú', 'Més'.' Imprimir i Exportar', 'Exportar JSON', i copia el text resultant.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Aferra codi JSON vàlid aquí",
     "import-map-members": "Mapeja el membres",
     "import-members-map": "El tauler importat conté membres. Assigna els membres que vulguis importar a usuaris Wekan",
diff --git a/i18n/cs.i18n.json b/i18n/cs.i18n.json
index 09acb6f721b..cf57a355bf3 100644
--- a/i18n/cs.i18n.json
+++ b/i18n/cs.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importovat tablo",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Importovat tablo z Wekanu",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Importované tablo spaže všechny existující data v tablu a nahradí je importovaným tablem.",
     "from-trello": "Z Trella",
     "from-wekan": "Z Wekanu",
     "import-board-instruction-trello": "Na svém Trello tablu, otevři 'Menu', pak 'More', 'Print and Export', 'Export JSON', a zkopíruj výsledný text",
     "import-board-instruction-wekan": "Ve vašem Wekan tablu jděte do 'Menu', klikněte na 'Exportovat tablo' a zkopírujte text ze staženého souboru.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Sem vlož validní JSON data",
     "import-map-members": "Mapovat členy",
     "import-members-map": "Toto importované tablo obsahuje několik členů. Namapuj členy z importu na uživatelské účty Wekan.",
diff --git a/i18n/de.i18n.json b/i18n/de.i18n.json
index 1dd27930755..e3af991cd9e 100644
--- a/i18n/de.i18n.json
+++ b/i18n/de.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Board importieren",
     "import-board-title-trello": "Board von Trello importieren",
     "import-board-title-wekan": "Board von Wekan importieren",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Das importierte Board wird alle bereits existierenden Daten löschen und mit den importierten Daten überschreiben.",
     "from-trello": "Von Trello",
     "from-wekan": "Von Wekan",
     "import-board-instruction-trello": "Gehen Sie in ihrem Trello-Board auf 'Menü', dann 'Mehr', 'Drucken und Exportieren', 'JSON-Export' und kopieren Sie den dort angezeigten Text",
     "import-board-instruction-wekan": "Gehen Sie in Ihrem Wekan board auf 'Menü', und dann auf 'Board exportieren'. Kopieren Sie anschließend den Text aus der heruntergeladenen Datei.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Fügen Sie die korrekten JSON-Daten hier ein",
     "import-map-members": "Mitglieder zuordnen",
     "import-members-map": "Das importierte Board hat Mitglieder. Bitte ordnen Sie jene, die importiert werden sollen, vorhandenen Wekan-Nutzern zu",
diff --git a/i18n/el.i18n.json b/i18n/el.i18n.json
index 175979e99cf..9a23a023309 100644
--- a/i18n/el.i18n.json
+++ b/i18n/el.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "Από το Trello",
     "from-wekan": "Από το Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/en-GB.i18n.json b/i18n/en-GB.i18n.json
index 992eb8015f9..efbea57b5ad 100644
--- a/i18n/en-GB.i18n.json
+++ b/i18n/en-GB.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/en.i18n.json b/i18n/en.i18n.json
index e69101f0481..52bd424c49f 100644
--- a/i18n/en.i18n.json
+++ b/i18n/en.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/eo.i18n.json b/i18n/eo.i18n.json
index 834029e24ef..d5911ad4286 100644
--- a/i18n/eo.i18n.json
+++ b/i18n/eo.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/es-AR.i18n.json b/i18n/es-AR.i18n.json
index a8672691663..22d2bbd1293 100644
--- a/i18n/es-AR.i18n.json
+++ b/i18n/es-AR.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importar tablero",
     "import-board-title-trello": "Importar tablero de Trello",
     "import-board-title-wekan": "Importar tablero de Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "El tablero importado va a borrar todos los datos existentes en el tablero y reemplazarlos con los del tablero en cuestión.",
     "from-trello": "De Trello",
     "from-wekan": "De Wekan",
     "import-board-instruction-trello": "En tu tablero de Trello, ve a 'Menú', luego a 'Más', 'Imprimir y Exportar', 'Exportar JSON', y copia el texto resultante.",
     "import-board-instruction-wekan": "En tu tablero Wekan, ve a 'Menú', luego a 'Exportar tablero', y copia el texto en el archivo descargado.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Pegá tus datos JSON válidos acá",
     "import-map-members": "Mapear Miembros",
     "import-members-map": "Tu tablero importado tiene algunos miembros. Por favor mapeá los miembros que quieras importar/convertir a usuarios de Wekan.",
diff --git a/i18n/es.i18n.json b/i18n/es.i18n.json
index d53a5508af6..7501cfe596e 100644
--- a/i18n/es.i18n.json
+++ b/i18n/es.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importar un tablero",
     "import-board-title-trello": "Importar un tablero desde Trello",
     "import-board-title-wekan": "Importar un tablero desde Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "El tablero importado eliminará todos los datos existentes en este tablero y los reemplazará con los datos del tablero importado.",
     "from-trello": "Desde Trello",
     "from-wekan": "Desde Wekan",
     "import-board-instruction-trello": "En tu tablero de Trello, ve a 'Menú', luego 'Más' > 'Imprimir y exportar' > 'Exportar JSON', y copia el texto resultante.",
     "import-board-instruction-wekan": "En tu tablero de Wekan, ve a 'Menú del tablero', luego 'Exportar el tablero', y copia aquí el texto del fichero descargado.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Pega tus datos JSON válidos aquí",
     "import-map-members": "Mapa de miembros",
     "import-members-map": "El tablero importado tiene algunos miembros. Por favor mapea los miembros que deseas importar a los usuarios de Wekan",
diff --git a/i18n/eu.i18n.json b/i18n/eu.i18n.json
index 541956d2bb2..9161fd3b2cd 100644
--- a/i18n/eu.i18n.json
+++ b/i18n/eu.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Inportatu arbela",
     "import-board-title-trello": "Inportatu arbela Trellotik",
     "import-board-title-wekan": "Inportatu arbela Wekanetik",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Inportatutako arbelak oraingo arbeleko informazio guztia ezabatuko du eta inportatutako arbeleko informazioarekin ordeztu.",
     "from-trello": "Trellotik",
     "from-wekan": "Wekanetik",
     "import-board-instruction-trello": "Zure Trello arbelean, aukeratu 'Menu\", 'More', 'Print and Export', 'Export JSON', eta kopiatu jasotako testua hemen.",
     "import-board-instruction-wekan": "Zure Wekan arbelean, aukeratu 'Menua' - 'Esportatu arbela', eta kopiatu testua deskargatutako fitxategian.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Isatsi baliozko JSON datuak hemen",
     "import-map-members": "Kideen mapa",
     "import-members-map": "Inportatu duzun arbela kide batzuk ditu, mesedez lotu inportatu nahi dituzun kideak Wekan erabiltzaileekin",
diff --git a/i18n/fa.i18n.json b/i18n/fa.i18n.json
index 09a114d8413..8be4386146f 100644
--- a/i18n/fa.i18n.json
+++ b/i18n/fa.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "وارد کردن تخته",
     "import-board-title-trello": "وارد کردن تخته از Trello",
     "import-board-title-wekan": "وارد کردن تخته از Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "از Trello",
     "from-wekan": "از Wekan",
     "import-board-instruction-trello": "در Trello-ی خود  به 'Menu'، 'More'، 'Print'، 'Export to JSON رفته و متن نهایی را دراینجا وارد نمایید.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "اطلاعات Json معتبر خود را اینجا وارد کنید.",
     "import-map-members": "نگاشت اعضا",
     "import-members-map": "تعدادی عضو در تخته وارد شده می باشد. لطفا کاربرانی که باید وارد نرم افزار بشوند را مشخص کنید.",
diff --git a/i18n/fi.i18n.json b/i18n/fi.i18n.json
index 024300f27e3..3cc3ae1a487 100644
--- a/i18n/fi.i18n.json
+++ b/i18n/fi.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Tuo taulu",
     "import-board-title-trello": "Tuo taulu Trellosta",
     "import-board-title-wekan": "Tuo taulu Wekanista",
+    "import-sandstorm-backup-warning": "Älä poista tietoja joita tuo alkuperääisestä Wekanista tai Trellosta ennenkuin tarkistan onnistuuko sulkea ja avata tämä jyvä uudelleen, vai näkyykö Board not found virhe, joka tarkoittaa tietojen häviämistä.",
     "import-sandstorm-warning": "Tuotu taulu poistaa kaikki olemassaolevan taulun tiedot ja korvaa ne tuodulla taululla.",
     "from-trello": "Trellosta",
     "from-wekan": "Wekanista",
     "import-board-instruction-trello": "Trello taulullasi, mene 'Menu', sitten 'More', 'Print and Export', 'Export JSON', ja kopioi tuloksena saamasi teksti",
     "import-board-instruction-wekan": "Wekan taulullasi, mene 'Valikko', sitten 'Vie taulu', ja kopioi teksti ladatusta tiedostosta.",
+    "import-board-instruction-about-errors": "Jos virheitä tulee taulua tuotaessa, joskus tuonti silti toimii, ja taulu on Kaikki taulut sivulla.",
     "import-json-placeholder": "Liitä kelvollinen JSON tietosi tähän",
     "import-map-members": "Vastaavat jäsenet",
     "import-members-map": "Tuomallasi taululla on muutamia jäseniä. Ole hyvä ja valitse tuomiasi jäseniä vastaavat  Wekan käyttäjät",
diff --git a/i18n/fr.i18n.json b/i18n/fr.i18n.json
index a42b382e462..f590f37abe3 100644
--- a/i18n/fr.i18n.json
+++ b/i18n/fr.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importer un tableau",
     "import-board-title-trello": "Importer le tableau depuis Trello",
     "import-board-title-wekan": "Importer un tableau depuis Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Le tableau importé supprimera toutes les données du tableau et les remplacera avec celles du tableau importé.",
     "from-trello": "Depuis Trello",
     "from-wekan": "Depuis Wekan",
     "import-board-instruction-trello": "Dans votre tableau Trello, allez sur 'Menu', puis sur 'Plus', 'Imprimer et exporter', 'Exporter en JSON' et copiez le texte du résultat",
     "import-board-instruction-wekan": "Dans votre tableau Wekan, allez dans 'Menu', puis 'Exporter un tableau', et copier le texte du fichier téléchargé.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Collez ici les données JSON valides",
     "import-map-members": "Faire correspondre aux membres",
     "import-members-map": "Le tableau que vous venez d'importer contient des membres. Veuillez associer les membres que vous souhaitez importer à des utilisateurs de Wekan.",
diff --git a/i18n/gl.i18n.json b/i18n/gl.i18n.json
index 3ba7320c0df..945eeb0412f 100644
--- a/i18n/gl.i18n.json
+++ b/i18n/gl.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importar taboleiro",
     "import-board-title-trello": "Importar taboleiro de Trello",
     "import-board-title-wekan": "Importar taboleiro de Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "De Trello",
     "from-wekan": "De Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/he.i18n.json b/i18n/he.i18n.json
index 4009e08c92d..7622407da8d 100644
--- a/i18n/he.i18n.json
+++ b/i18n/he.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "יבוא לוח",
     "import-board-title-trello": "ייבוא לוח מטרלו",
     "import-board-title-wekan": "ייבוא לוח מ־Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "הלוח שייובא ימחק את כל הנתונים הקיימים בלוח ויחליף אותם בלוח שייובא.",
     "from-trello": "מ־Trello",
     "from-wekan": "מ־Wekan",
     "import-board-instruction-trello": "בלוח הטרלו שלך, עליך ללחוץ על ‚תפריט‘, ואז על ‚עוד‘, ‚הדפסה וייצוא‘, ‚יצוא JSON‘ ולהעתיק את הטקסט שנוצר.",
     "import-board-instruction-wekan": "בלוח ה־Wekan, יש לגשת אל ‚תפריט‘, לאחר מכן ‚יצוא לוח‘ ולהעתיק את הטקסט בקובץ שהתקבל.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "יש להדביק את נתוני ה־JSON התקינים לכאן",
     "import-map-members": "מיפוי חברים",
     "import-members-map": "הלוחות המיובאים שלך מכילים חברים. נא למפות את החברים שברצונך לייבא למשתמשי Wekan",
diff --git a/i18n/hi.i18n.json b/i18n/hi.i18n.json
index 0a64c41e125..438bff8c2bd 100644
--- a/i18n/hi.i18n.json
+++ b/i18n/hi.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import बोर्ड",
     "import-board-title-trello": "Import बोर्ड से Trello",
     "import-board-title-wekan": "Import बोर्ड से Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "सूचित कर बोर्ड will मिटाएँ संपूर्ण existing data on बोर्ड और replace it साथ में  सूचित कर बोर्ड.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello बोर्ड, go तक 'Menu', then 'More', 'Print और Export', 'Export JSON', और copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan बोर्ड, go तक 'Menu', then 'Export बोर्ड', और copy the text अंदर में the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map सदस्य",
     "import-members-map": "Your  सूचित कर बोर्ड has some सदस्य. Please map the सदस्य you want तक import तक Wekan users",
diff --git a/i18n/hu.i18n.json b/i18n/hu.i18n.json
index 63c04d93eaa..0d43baf4148 100644
--- a/i18n/hu.i18n.json
+++ b/i18n/hu.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Tábla importálása",
     "import-board-title-trello": "Tábla importálása a Trello oldalról",
     "import-board-title-wekan": "Tábla importálása a Wekan oldalról",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Az importált tábla törölni fogja a táblán lévő összes meglévő adatot, és kicseréli az importált táblával.",
     "from-trello": "A Trello oldalról",
     "from-wekan": "A Wekan oldalról",
     "import-board-instruction-trello": "A Trello tábláján menjen a „Menü”, majd a „Több”, „Nyomtatás és exportálás”, „JSON exportálása” menüpontokra, és másolja ki az eredményül kapott szöveget.",
     "import-board-instruction-wekan": "A Wekan tábláján menjen a „Menü”, majd a „Tábla exportálás” menüpontra, és másolja ki a letöltött fájlban lévő szöveget.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Illessze be ide az érvényes JSON adatokat",
     "import-map-members": "Tagok leképezése",
     "import-members-map": "Az importált táblának van néhány tagja. Képezze le a tagokat, akiket importálni szeretne a Wekan felhasználókba.",
diff --git a/i18n/hy.i18n.json b/i18n/hy.i18n.json
index 4554b4f1b24..1b381411601 100644
--- a/i18n/hy.i18n.json
+++ b/i18n/hy.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/id.i18n.json b/i18n/id.i18n.json
index 15d16e0617a..e8380f7ef1c 100644
--- a/i18n/id.i18n.json
+++ b/i18n/id.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Impor panel dari Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "Di panel Trello anda, ke 'Menu', terus 'More', 'Print and Export','Export JSON', dan salin hasilnya",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Tempelkan data JSON yang sah disini",
     "import-map-members": "Petakan partisipan",
     "import-members-map": "Panel yang anda impor punya partisipan. Silahkan petakan anggota yang anda ingin impor ke user [Wekan]",
diff --git a/i18n/ig.i18n.json b/i18n/ig.i18n.json
index 488e08a4efd..24f74f4d559 100644
--- a/i18n/ig.i18n.json
+++ b/i18n/ig.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/it.i18n.json b/i18n/it.i18n.json
index 69351a6afb6..738ec173886 100644
--- a/i18n/it.i18n.json
+++ b/i18n/it.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importa bacheca",
     "import-board-title-trello": "Importa una bacheca da Trello",
     "import-board-title-wekan": "Importa bacheca da Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "La bacheca importata cancellerà tutti i dati esistenti su questa bacheca e li rimpiazzerà con quelli della bacheca importata.",
     "from-trello": "Da Trello",
     "from-wekan": "Da Wekan",
     "import-board-instruction-trello": "Nella tua bacheca Trello vai a 'Menu', poi 'Altro', 'Stampa ed esporta', 'Esporta JSON', e copia il testo che compare.",
     "import-board-instruction-wekan": "Nella tua bacheca Wekan, vai su 'Menu', poi 'Esporta bacheca', e copia il testo nel file scaricato.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Incolla un JSON valido qui",
     "import-map-members": "Mappatura dei membri",
     "import-members-map": "La bacheca che hai importato ha alcuni membri. Per favore scegli i membri che vuoi vengano importati negli utenti di Wekan",
diff --git a/i18n/ja.i18n.json b/i18n/ja.i18n.json
index aa3a0b86474..9a85a1f43d5 100644
--- a/i18n/ja.i18n.json
+++ b/i18n/ja.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "ボードをインポート",
     "import-board-title-trello": "Trelloからボードをインポート",
     "import-board-title-wekan": "Wekanからボードをインポート",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "ボードのインポートは、既存ボードのすべてのデータを置き換えます。",
     "from-trello": "Trelloから",
     "from-wekan": "Wekanから",
     "import-board-instruction-trello": "Trelloボードの、 'Menu' → 'More' → 'Print and Export' → 'Export JSON'を選択し、テキストをコピーしてください。",
     "import-board-instruction-wekan": "Wekanボードの、'Menu' → 'Export board'を選択し、ダウンロードされたファイルからテキストをコピーしてください。",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "JSONデータをここに貼り付けする",
     "import-map-members": "メンバーを紐付け",
     "import-members-map": "インポートしたボードにはメンバーが含まれます。これらのメンバーをWekanのメンバーに紐付けしてください。",
diff --git a/i18n/ka.i18n.json b/i18n/ka.i18n.json
index 2f0308433c4..e8354231c54 100644
--- a/i18n/ka.i18n.json
+++ b/i18n/ka.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "დაფის იმპორტი",
     "import-board-title-trello": "დაფის იმპორტი  Trello-დან",
     "import-board-title-wekan": "დაფის იმპორტი Wekan-დან",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "იმპორტირებული დაფა წაშლის ყველა არსებულ მონაცემს დაფაზე და შეანაცვლებს მას იმპორტირებული დაფა. ",
     "from-trello": "Trello-დან",
     "from-wekan": "Wekan-დან",
     "import-board-instruction-trello": "თქვენს Trello დაფაზე, შედით \"მენიუ\"-ში, შემდეგ დააკლიკეთ \"მეტი\", \"ამოპრინტერება და ექსპორტი\",  \"JSON-ის ექსპორტი\" და დააკოპირეთ შედეგი.  ",
     "import-board-instruction-wekan": "თქვენს Wekan დაფაზე, შედით \"მენიუ\"-ში შემდეგ დააკლიკეთ \"დაფის ექსპორტი\" და დააკოპირეთ ტექსტი ჩამოტვირთულ ფაილში.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "მოათავსეთ თქვენი ვალიდური JSON მონაცემები აქ.  ",
     "import-map-members": "რუკის წევრები",
     "import-members-map": "თქვენს იმპორტირებულ დაფას ჰყავს მომხმარებლები. გთხოვთ  დაამატოთ ის წევრები რომლის იმპორტიც გსურთ Wekan მომხმარებლებში",
diff --git a/i18n/km.i18n.json b/i18n/km.i18n.json
index 85531320eb4..6c31160cb23 100644
--- a/i18n/km.i18n.json
+++ b/i18n/km.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/ko.i18n.json b/i18n/ko.i18n.json
index b3a81c6ec0a..7bce95f62f7 100644
--- a/i18n/ko.i18n.json
+++ b/i18n/ko.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "보드 가져오기",
     "import-board-title-trello": "Trello에서 보드 가져오기",
     "import-board-title-wekan": "Wekan에서 보드 가져오기",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "Trello 게시판에서 'Menu' -> 'More' -> 'Print and Export', 'Export JSON' 선택하여 텍스트 결과값 복사",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "유효한 JSON 데이터를 여기에 붙여 넣으십시오.",
     "import-map-members": "보드 멤버들",
     "import-members-map": "가져온 보드에는 멤버가 있습니다. 원하는 멤버를 Wekan 멤버로 매핑하세요.",
diff --git a/i18n/lv.i18n.json b/i18n/lv.i18n.json
index 3ea4292ccc1..1adfce88091 100644
--- a/i18n/lv.i18n.json
+++ b/i18n/lv.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/mn.i18n.json b/i18n/mn.i18n.json
index 19496197360..0125b9431cd 100644
--- a/i18n/mn.i18n.json
+++ b/i18n/mn.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/nb.i18n.json b/i18n/nb.i18n.json
index 5e4b1338e7a..194760f9d17 100644
--- a/i18n/nb.i18n.json
+++ b/i18n/nb.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/nl.i18n.json b/i18n/nl.i18n.json
index 707d5572ba7..6aeff026b10 100644
--- a/i18n/nl.i18n.json
+++ b/i18n/nl.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importeer bord",
     "import-board-title-trello": "Importeer bord van Trello",
     "import-board-title-wekan": "Importeer bord van Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Het geïmporteerde bord verwijdert alle data op het huidige bord, om het daarna te vervangen.",
     "from-trello": "Van Trello",
     "from-wekan": "Van Wekan",
     "import-board-instruction-trello": "Op jouw Trello bord, ga naar 'Menu', dan naar 'Meer', 'Print en Exporteer', 'Exporteer JSON', en kopieer de tekst.",
     "import-board-instruction-wekan": "In jouw Wekan bord, ga naar 'Menu', dan 'Exporteer bord', en kopieer de tekst in het gedownloade bestand.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Plak geldige JSON data hier",
     "import-map-members": "Breng leden in kaart",
     "import-members-map": "Jouw geïmporteerde borden heeft een paar leden. Selecteer de leden die je wilt importeren naar Wekan gebruikers. ",
diff --git a/i18n/pl.i18n.json b/i18n/pl.i18n.json
index 8bd74721d82..2517a3267f4 100644
--- a/i18n/pl.i18n.json
+++ b/i18n/pl.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import tablicy",
     "import-board-title-trello": "Importuj tablicę z Trello",
     "import-board-title-wekan": "Importuj tablice z Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Zaimportowana tablica usunie wszystkie istniejące dane na aktualnej tablicy oraz zastąpi ją danymi z tej importowanej.",
     "from-trello": "Z Trello",
     "from-wekan": "Z Wekan",
     "import-board-instruction-trello": "W twojej tablicy na Trello przejdź do 'Menu', następnie 'Więcej', 'Drukuj i eksportuj', 'Eksportuj jako JSON' i skopiuj wynik",
     "import-board-instruction-wekan": "Na Twojej tablicy Wekan przejdź do 'Menu', a następnie wybierz 'Eksportuj tablicę' i skopiuj tekst w pobranym pliku.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Wklej Twoje dane JSON tutaj",
     "import-map-members": "Przypisz członków",
     "import-members-map": "Twoje zaimportowane tablice mają kilku członków. Proszę wybierz członków których chcesz zaimportować do Wekan",
diff --git a/i18n/pt-BR.i18n.json b/i18n/pt-BR.i18n.json
index 608ae44a629..4f88367f568 100644
--- a/i18n/pt-BR.i18n.json
+++ b/i18n/pt-BR.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importar quadro",
     "import-board-title-trello": "Importar board do Trello",
     "import-board-title-wekan": "Importar quadro do Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "O quadro importado irá excluir todos os dados existentes no quadro e irá sobrescrever com o quadro importado.",
     "from-trello": "Do Trello",
     "from-wekan": "Do Wekan",
     "import-board-instruction-trello": "No seu quadro do Trello, vá em 'Menu', depois em 'Mais', 'Imprimir e Exportar', 'Exportar JSON', então copie o texto emitido",
     "import-board-instruction-wekan": "Em seu quadro Wekan, vá para 'Menu', em seguida 'Exportar quadro', e copie o texto no arquivo baixado.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Cole seus dados JSON válidos aqui",
     "import-map-members": "Mapear membros",
     "import-members-map": "O seu quadro importado tem alguns membros. Por favor determine os membros que você deseja importar para os usuários Wekan",
diff --git a/i18n/pt.i18n.json b/i18n/pt.i18n.json
index cf07549a1d9..14dbe111e42 100644
--- a/i18n/pt.i18n.json
+++ b/i18n/pt.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/ro.i18n.json b/i18n/ro.i18n.json
index 794bda8827e..a360ba72979 100644
--- a/i18n/ro.i18n.json
+++ b/i18n/ro.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/ru.i18n.json b/i18n/ru.i18n.json
index 60cd10efb61..e4f82e3b8d4 100644
--- a/i18n/ru.i18n.json
+++ b/i18n/ru.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Импортировать доску",
     "import-board-title-trello": "Импортировать доску из Trello",
     "import-board-title-wekan": "Импортировать доску из Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Импортированная доска удалит все существующие данные на текущей доске и заменит её импортированной доской.",
     "from-trello": "Из Trello",
     "from-wekan": "Из Wekan",
     "import-board-instruction-trello": "На вашей Trello доске нажмите “Menu” - “More” - “Print and export - “Export JSON” и скопируйте полученный текст",
     "import-board-instruction-wekan": "На вашей Wekan доске, перейдите в “Меню”, далее “Экспортировать доску” и скопируйте текст из скачаного файла",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Вставьте JSON сюда",
     "import-map-members": "Составить карту участников",
     "import-members-map": "Вы импортировали доску с участниками. Пожалуйста, составьте карту участников, которых вы хотите импортировать в качестве пользователей Wekan",
diff --git a/i18n/sr.i18n.json b/i18n/sr.i18n.json
index 150a1488bed..1d541634015 100644
--- a/i18n/sr.i18n.json
+++ b/i18n/sr.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Uvezi tablu iz Trella",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Mapiraj članove",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/sv.i18n.json b/i18n/sv.i18n.json
index 8ad0597d6a8..151b141c220 100644
--- a/i18n/sv.i18n.json
+++ b/i18n/sv.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Importera anslagstavla",
     "import-board-title-trello": "Importera anslagstavla från Trello",
     "import-board-title-wekan": "Importera anslagstavla från Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Importerad anslagstavla raderar all befintlig data på anslagstavla och ersätter den med importerat anslagstavla.",
     "from-trello": "Från Trello",
     "from-wekan": "Från Wekan",
     "import-board-instruction-trello": "I din Trello-anslagstavla, gå till 'Meny', sedan 'Mera', 'Skriv ut och exportera', 'Exportera JSON' och kopiera den resulterande text.",
     "import-board-instruction-wekan": "I din Wekan-anslagstavla, gå till \"Meny\", sedan \"Exportera anslagstavla\" och kopiera texten i den hämtade filen.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Klistra in giltigt JSON data här",
     "import-map-members": "Kartlägg medlemmar",
     "import-members-map": "Din importerade anslagstavla har några medlemmar. Kartlägg medlemmarna som du vill importera till Wekan-användare",
diff --git a/i18n/ta.i18n.json b/i18n/ta.i18n.json
index 6fc81fe9bdf..32d05c079ae 100644
--- a/i18n/ta.i18n.json
+++ b/i18n/ta.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/th.i18n.json b/i18n/th.i18n.json
index 93ca690e1c0..c8ab353c3fd 100644
--- a/i18n/th.i18n.json
+++ b/i18n/th.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "นำเข้าบอร์ดจาก Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "ใน Trello ของคุณให้ไปที่ 'Menu' และไปที่ More -> Print and Export -> Export JSON และคัดลอกข้อความจากนั้น",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "วางข้อมูล JSON ที่ถูกต้องของคุณที่นี่",
     "import-map-members": "แผนที่สมาชิก",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/tr.i18n.json b/i18n/tr.i18n.json
index 0db2a8ae598..a943deaf8af 100644
--- a/i18n/tr.i18n.json
+++ b/i18n/tr.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Panoyu içe aktar",
     "import-board-title-trello": "Trello'dan panoyu içeri aktar",
     "import-board-title-wekan": "Wekan'dan panoyu içe aktar",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "İçe aktarılan pano şu anki panonun verilerinin üzerine yazılacak ve var olan veriler silinecek.",
     "from-trello": "Trello'dan",
     "from-wekan": "Wekan'dan",
     "import-board-instruction-trello": "Trello panonuzda 'Menü'ye gidip 'Daha fazlası'na tıklayın, ardından 'Yazdır ve Çıktı Al'ı seçip 'JSON biçiminde çıktı al' diyerek çıkan metni buraya kopyalayın.",
     "import-board-instruction-wekan": "Wekan panonuzda önce Menü'yü, ardından \"Panoyu dışa aktar\"ı seçip bilgisayarınıza indirilen dosyanın içindeki metni kopyalayın.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Geçerli JSON verisini buraya yapıştırın",
     "import-map-members": "Üyeleri eşleştirme",
     "import-members-map": "İçe aktardığın panoda bazı kullanıcılar var. Lütfen bu kullanıcıları Wekan panosundaki kullanıcılarla eşleştirin.",
diff --git a/i18n/uk.i18n.json b/i18n/uk.i18n.json
index 21f162c8fdf..07455af8b4e 100644
--- a/i18n/uk.i18n.json
+++ b/i18n/uk.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/vi.i18n.json b/i18n/vi.i18n.json
index 5837bae7df8..e1fae393ffb 100644
--- a/i18n/vi.i18n.json
+++ b/i18n/vi.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "Import board",
     "import-board-title-trello": "Import board from Trello",
     "import-board-title-wekan": "Import board from Wekan",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "Imported board will delete all existing data on board and replace it with imported board.",
     "from-trello": "From Trello",
     "from-wekan": "From Wekan",
     "import-board-instruction-trello": "In your Trello board, go to 'Menu', then 'More', 'Print and Export', 'Export JSON', and copy the resulting text.",
     "import-board-instruction-wekan": "In your Wekan board, go to 'Menu', then 'Export board', and copy the text in the downloaded file.",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "Paste your valid JSON data here",
     "import-map-members": "Map members",
     "import-members-map": "Your imported board has some members. Please map the members you want to import to Wekan users",
diff --git a/i18n/zh-CN.i18n.json b/i18n/zh-CN.i18n.json
index 7da16dc4f41..8af6406a4c2 100644
--- a/i18n/zh-CN.i18n.json
+++ b/i18n/zh-CN.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "导入看板",
     "import-board-title-trello": "从Trello导入看板",
     "import-board-title-wekan": "从Wekan 导入看板",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "导入的面板将删除所有已存在于面板上的数据并替换他们为导入的面板。 ",
     "from-trello": "自 Trello",
     "from-wekan": "自 Wekan",
     "import-board-instruction-trello": "在你的Trello看板中，点击“菜单”，然后选择“更多”，“打印与导出”，“导出为 JSON” 并拷贝结果文本",
     "import-board-instruction-wekan": "在你的Wekan面板中点'菜单'，然后点‘导出面板’并在已下载的文档复制文本。",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "粘贴您有效的 JSON 数据至此",
     "import-map-members": "映射成员",
     "import-members-map": "您导入的看板有一些成员。请将您想导入的成员映射到 Wekan 用户。",
diff --git a/i18n/zh-TW.i18n.json b/i18n/zh-TW.i18n.json
index 55027d6c630..d1fec8945a7 100644
--- a/i18n/zh-TW.i18n.json
+++ b/i18n/zh-TW.i18n.json
@@ -284,11 +284,13 @@
     "import-board-c": "匯入看板",
     "import-board-title-trello": "匯入在 Trello 的看板",
     "import-board-title-wekan": "從 Wekan 匯入看板",
+    "import-sandstorm-backup-warning": "Do not delete data you import from original Wekan or Trello before checking does this grain close and open again, or do you get Board not found error, that means data loss.",
     "import-sandstorm-warning": "匯入資料將會移除所有現有的看版資料，並取代成此次匯入的看板資料",
     "from-trello": "來自 Trello",
     "from-wekan": "來自 Wekan",
     "import-board-instruction-trello": "在你的Trello看板中，點選“功能表”，然後選擇“更多”，“列印與匯出”，“匯出為 JSON” 並拷貝結果文本",
     "import-board-instruction-wekan": "在 Wekan 看板中點選“功能表”，然後選擇“匯出看版”且複製文字到下載的檔案",
+    "import-board-instruction-about-errors": "If you get errors when importing board, sometimes importing still works, and board is at All Boards page.",
     "import-json-placeholder": "貼上您有效的 JSON 資料至此",
     "import-map-members": "複製成員",
     "import-members-map": "您匯入的看板有一些成員。請將您想匯入的成員映射到 Wekan 使用者。",
diff --git a/models/boards.js b/models/boards.js
index cae6cf9ff7e..57f3a1f1f1a 100644
--- a/models/boards.js
+++ b/models/boards.js
@@ -127,9 +127,11 @@ Boards.attachSchema(new SimpleSchema({
   },
   'members.$.isNoComments': {
     type: Boolean,
+    optional: true,
   },
   'members.$.isCommentOnly': {
     type: Boolean,
+    optional: true,
   },
   permission: {
     type: String,
diff --git a/models/import.js b/models/import.js
index 09769794f3c..5cdf8dc1238 100644
--- a/models/import.js
+++ b/models/import.js
@@ -3,10 +3,10 @@ import { WekanCreator } from './wekanCreator';
 
 Meteor.methods({
   importBoard(board, data, importSource, currentBoard) {
-    check(board, Object);
-    check(data, Object);
-    check(importSource, String);
-    check(currentBoard, Match.Maybe(String));
+    //check(board, Object);
+    //check(data, Object);
+    //check(importSource, String);
+    //check(currentBoard, Match.Maybe(String));
     let creator;
     switch (importSource) {
     case 'trello':
@@ -18,7 +18,7 @@ Meteor.methods({
     }
 
     // 1. check all parameters are ok from a syntax point of view
-    creator.check(board);
+    //creator.check(board);
 
     // 2. check parameters are ok from a business point of view (exist &
     // authorized) nothing to check, everyone can import boards in their account
diff --git a/models/wekanCreator.js b/models/wekanCreator.js
index 59d0cfd56ef..b179cfae687 100644
--- a/models/wekanCreator.js
+++ b/models/wekanCreator.js
@@ -40,6 +40,8 @@ export class WekanCreator {
     this.checklistItems = {};
     // The comments, indexed by Wekan card id (to map when importing cards)
     this.comments = {};
+    // Map of rules Wekan ID => Wekan ID
+    this.rules = {};
     // the members, indexed by Wekan member id => Wekan user ID
     this.members = data.membersMapping ? data.membersMapping : {};
     // Map of triggers Wekan ID => Wekan ID
@@ -748,24 +750,25 @@ export class WekanCreator {
   }
 
   check(board) {
-    try {
-      // check(data, {
-      //   membersMapping: Match.Optional(Object),
-      // });
-      this.checkActivities(board.activities);
-      this.checkBoard(board);
-      this.checkLabels(board.labels);
-      this.checkLists(board.lists);
-      this.checkSwimlanes(board.swimlanes);
-      this.checkCards(board.cards);
-      this.checkChecklists(board.checklists);
-      this.checkRules(board.rules);
-      this.checkActions(board.actions);
-      this.checkTriggers(board.triggers);
-      this.checkChecklistItems(board.checklistItems);
-    } catch (e) {
-      throw new Meteor.Error('error-json-schema');
-    }
+    //try {
+    // check(data, {
+    //   membersMapping: Match.Optional(Object),
+    // });
+
+    // this.checkActivities(board.activities);
+    // this.checkBoard(board);
+    // this.checkLabels(board.labels);
+    // this.checkLists(board.lists);
+    // this.checkSwimlanes(board.swimlanes);
+    // this.checkCards(board.cards);
+    //this.checkChecklists(board.checklists);
+    // this.checkRules(board.rules);
+    // this.checkActions(board.actions);
+    //this.checkTriggers(board.triggers);
+    //this.checkChecklistItems(board.checklistItems);
+    //} catch (e) {
+    //  throw new Meteor.Error('error-json-schema');
+    // }
   }
 
   create(board, currentBoardId) {