diff --git a/src/pages/announcements/add-announcement-form.tsx b/src/pages/announcements/add-announcement-form.tsx
index ef54293..5f48303 100644
--- a/src/pages/announcements/add-announcement-form.tsx
+++ b/src/pages/announcements/add-announcement-form.tsx
@@ -38,13 +38,19 @@ const MESSAGE_MAX_LENGTH = 200;
 const formSchema = yup
     .object()
     .shape({
-        [MESSAGE]: yup.string().nullable().trim().min(1, 'YupRequired').max(MESSAGE_MAX_LENGTH).required(),
-        [START_DATE]: yup.string().nullable().datetime().required(),
+        [MESSAGE]: yup
+            .string()
+            .nullable()
+            .trim()
+            .min(1, 'YupRequired')
+            .max(MESSAGE_MAX_LENGTH, 'announcements.form.errForm.msgMaxLength' /*TODO temporary*/)
+            .required('YupRequired' /*TODO temporary*/),
+        [START_DATE]: yup.string().nullable().datetime().required('YupRequired' /*TODO temporary*/),
         [END_DATE]: yup
             .string()
             .nullable()
             .datetime()
-            .required()
+            .required('YupRequired' /*TODO temporary*/)
             .when(START_DATE, (startDate, schema) =>
                 schema.test(
                     'is-after-start',
@@ -56,7 +62,7 @@ const formSchema = yup
             .string<UserAdminSrv.AnnouncementSeverity>()
             .nullable()
             .oneOf(Object.values(UserAdminSrv.AnnouncementSeverity))
-            .required(),
+            .required('YupRequired' /*TODO temporary*/),
     })
     .required();
 type FormSchema = InferType<typeof formSchema>;
diff --git a/src/translations/en.json b/src/translations/en.json
index 8893e11..509d988 100644
--- a/src/translations/en.json
+++ b/src/translations/en.json
@@ -127,6 +127,7 @@
     "announcements.form.errCreateAnnouncement.noSameDateErr": "The announcement start and end date must be different.",
     "announcements.form.errCreateAnnouncement.startDateAfterEndDateErr": "The start date cannot be after the end date.",
     "announcements.form.errForm.startDateAfterEndDateErr": "End date must be after start date.",
+    "announcements.form.errForm.msgMaxLength": "Message must be at most 200 characters.",
 
     "YupRequired": "This field is required"
 }
diff --git a/src/translations/fr.json b/src/translations/fr.json
index f82e35d..9b06933 100644
--- a/src/translations/fr.json
+++ b/src/translations/fr.json
@@ -128,6 +128,7 @@
     "announcements.form.errCreateAnnouncement.noSameDateErr": "La date de début et de fin d'annonce doivent être différentes.",
     "announcements.form.errCreateAnnouncement.startDateAfterEndDateErr": "La date de début d'annonce ne peut pas être après la date de fin.",
     "announcements.form.errForm.startDateAfterEndDateErr": "La date de fin doit être après la date de début.",
+    "announcements.form.errForm.msgMaxLength": "Le message ne doit pas dépasser 200 caractères.",
 
     "YupRequired": "Ce champ doit être renseigné"
 }