fixed import/export notification

resources/lang/en-GB/notifications.php

@@ -75,7 +75,7 @@ return [
         'export_failed' => [
 
             'title'         => 'Export failed',
-            'description'   => 'Not able to create the export file due to the following issue: :issues',
+            'description'   => 'Not able to create the export file due to several issues. Check out your email for the details.',
 
         ],
 
@@ -86,6 +86,13 @@ return [
 
         ],
 
+        'import_failed' => [
+
+            'subject'       => 'Import failed',
+            'description'   => 'Not able to import the file due to several issues. Check out your email for the details.',
+
+        ],
+
         'new_apps' => [
 
             'title'         => 'New App',