diff --git a/composer.json b/composer.json
index a096921..68b7bb4 100644
--- a/composer.json
+++ b/composer.json
@@ -2,16 +2,17 @@
     "name": "honl/magento2-import",
     "description": "",
     "require": {
-        "php": "~7.1.0 || ~7.2.0 || ~7.3.0 || ~7.4.0",
+        "php": "~7.1.0 || ~7.2.0 || ~7.3.0 || ~7.4.0 || ~8.2",
         "guzzlehttp/guzzle": "^7",
         "prewk/xml-string-streamer": "^1.2",
         "prewk/xml-string-streamer-guzzle": "^1.2",
         "kevinrob/guzzle-cache-middleware": "^4",
         "ecomdev/magento-psr6-bridge": "^0.2.1",
-        "symfony/stopwatch": "~4.0",
+        "symfony/stopwatch": "^v6.2",
         "bakame/psr7-csv-factory": "^1.0@dev",
         "league/csv": "^9.1",
-        "monolog/monolog": "^2.8"
+        "monolog/monolog": "^2.8",
+        "ext-mbstring": "*"
     },
     "type": "magento2-module",
     "autoload": {
diff --git a/src/Console/Command/CronScheduleCommand.php b/src/Console/Command/CronScheduleCommand.php
index ac9e334..f3cc64d 100644
--- a/src/Console/Command/CronScheduleCommand.php
+++ b/src/Console/Command/CronScheduleCommand.php
@@ -88,7 +88,7 @@ public function configure()
      *
      * @throws \Magento\Framework\Exception\AlreadyExistsException
      *
-     * @return void
+     * @return int
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
@@ -100,7 +100,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         if (! $job) {
             $output->writeln("<error>".((string) new Phrase("Job not found"))."</error>");
-            return;
+            return 0;
         }
 
 
@@ -109,7 +109,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
             $output->writeln(
                 (string) new Phrase("Job is already %1", ["<error>".$existingJob->getStatus()."</error>"])
             );
-            return;
+            return 0;
         }
 
         try {
@@ -121,7 +121,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
                     [$ahead]
                 )
             ."</error>");
-            return;
+            return 0;
         }
 
         $jobSchedule = $this->generateSchedule($job, $ahead);
@@ -130,6 +130,7 @@ protected function execute(InputInterface $input, OutputInterface $output)
 
         $jobSchedule->getResource()->save($jobSchedule);
         $output->writeln("<info>".((string) new Phrase("Job scheduled"))."</info>");
+        return 0;
     }
 
     /**
diff --git a/src/Console/Command/HoImportRunCommand.php b/src/Console/Command/HoImportRunCommand.php
index 75aa237..4fcadfa 100644
--- a/src/Console/Command/HoImportRunCommand.php
+++ b/src/Console/Command/HoImportRunCommand.php
@@ -95,7 +95,7 @@ public function configure()
      * @param InputInterface  $input
      * @param OutputInterface $output
      *
-     * @return void
+     * @return int
      */
     protected function execute(InputInterface $input, OutputInterface $output)
     {
@@ -104,11 +104,12 @@ protected function execute(InputInterface $input, OutputInterface $output)
         if (!isset($profiles[$profile])) {
             $profileList = implode(", ", array_keys($profiles));
             $output->writeln((string) new Phrase("<error>Profile not in profilelist: %1</error>", [$profileList]));
-            return;
+            return 0;
         }
 
         $profileInstance = $profiles[$profile];
         $profileInstance->run();
+        return 0;
     }
 
 
diff --git a/src/RowModifier/ExternalCategoryManagement.php b/src/RowModifier/ExternalCategoryManagement.php
index 6a039a3..e3452bd 100644
--- a/src/RowModifier/ExternalCategoryManagement.php
+++ b/src/RowModifier/ExternalCategoryManagement.php
@@ -231,6 +231,6 @@ private function extractCategoriesFromString($categories)
     {
         return array_filter(array_map(function ($category) {
             return trim($category, " \t\n\r\0\x0B/");
-        }, explode(',', trim($categories, " \t\n\r\0\x0B/"))));
+        }, explode(',', trim($categories ?? '', " \t\n\r\0\x0B/"))));
     }
 }
diff --git a/src/Streamer/FileCsv.php b/src/Streamer/FileCsv.php
index 74360ed..e25cac9 100644
--- a/src/Streamer/FileCsv.php
+++ b/src/Streamer/FileCsv.php
@@ -99,7 +99,7 @@ public function getIterator()
             $csvReader->setDelimiter($this->delimiter);
         }
         foreach ($csvReader->getIterator() as $row) {
-            yield (empty($this->headers) ? $row : \array_combine($this->headers, \array_map('utf8_encode', $row)));
+            yield (empty($this->headers) ? $row : \array_combine($this->headers, \array_map(self::class . '::convert_encoding', $row)));
         }
     }
 
@@ -112,4 +112,9 @@ private function getRequestFile(): string
             ? $this->requestFile
             : $this->directoryList->getRoot() . '/' . trim($this->requestFile, '/');
     }
+
+    public function convert_encoding($row)
+    {
+        return mb_convert_encoding($row, 'UTF-8', 'ISO-8859-1');
+    }
 }