diff --git a/program/localization/en_US/messages.inc b/program/localization/en_US/messages.inc
index 4b2530b01..9208bbde3 100644
--- a/program/localization/en_US/messages.inc
+++ b/program/localization/en_US/messages.inc
@@ -113,5 +113,6 @@ $messages['smtperror'] = 'SMTP Error: $msg';
 $messages['emailformaterror'] = 'Invalid e-mail address: $email';
 $messages['toomanyrecipients'] = 'Too many recipients. Reduce the number of recipients to $max.';
 $messages['maxgroupmembersreached'] = 'The number of group members exceeds the maximum of $max';
+$messages['internalerror'] = 'An internal error occured. Please try again';
 
 ?>
diff --git a/program/localization/pl_PL/messages.inc b/program/localization/pl_PL/messages.inc
index b82cd27bc..094acaa42 100644
--- a/program/localization/pl_PL/messages.inc
+++ b/program/localization/pl_PL/messages.inc
@@ -118,5 +118,6 @@ $messages['smtperror'] = 'Błąd SMTP: $msg';
 $messages['emailformaterror'] = 'Błędny adres e-mail: $email';
 $messages['toomanyrecipients'] = 'Zbyt wielu odbiorców. Zmniejsz ich liczbę do $max.';
 $messages['maxgroupmembersreached'] = 'Liczba członków grupy nie może być większa niż $max';
+$messages['internalerror'] = 'Wystąpił wewnętrzny błąd systemu. Spróbuj jeszcze raz'
 
 ?>
diff --git a/program/steps/mail/sendmail.inc b/program/steps/mail/sendmail.inc
index dedab99fa..d6143d82b 100644
--- a/program/steps/mail/sendmail.inc
+++ b/program/steps/mail/sendmail.inc
@@ -29,11 +29,11 @@ $savedraft = !empty($_POST['_draft']) ? TRUE : FALSE;
 /****** checks ********/
 
 if (!isset($_SESSION['compose']['id'])) {
-  raise_error(array('code' => 500, 'type' => 'smtp',
+  raise_error(array('code' => 500, 'type' => 'php',
     'file' => __FILE__, 'line' => __LINE__,
     'message' => "Invalid compose ID"), true, false);
 
-  $OUTPUT->show_message("An internal error occured. Please try again.", 'error');
+  $OUTPUT->show_message('internalerror', 'error');
   $OUTPUT->send('iframe');
 }