diff --git a/ajax/cancelticket.php b/ajax/cancelticket.php
index 278a5ee20..eabb1d003 100644
--- a/ajax/cancelticket.php
+++ b/ajax/cancelticket.php
@@ -35,4 +35,9 @@
     exit;
 }
 $ticketId = (int) $_POST['id'];
-PluginFormcreatorCommon::cancelMyTicket($ticketId);
\ No newline at end of file
+if (!PluginFormcreatorCommon::cancelMyTicket($ticketId)) {
+    http_response_code(403);
+    echo implode('<br>', $_SESSION['MESSAGE_AFTER_REDIRECT'][ERROR]);
+    $_SESSION['MESSAGE_AFTER_REDIRECT'] = [];
+    exit;
+}
diff --git a/inc/common.class.php b/inc/common.class.php
index 1cc328e5b..b86d603d5 100644
--- a/inc/common.class.php
+++ b/inc/common.class.php
@@ -202,14 +202,28 @@ public static function showFontAwesomeDropdown($name, $options = []) {
       echo $output;
    }
 
+   /**
+    * Cancel a new ticketn while it is still allowed
+    *
+    * In case of error, a message is added to the session
+    *
+    * @param integer $id
+    * @return boolean true on success, false otherwise
+    */
    public static function cancelMyTicket($id) {
       $ticket = new Ticket();
       $ticket->getFromDB($id);
       if (!$ticket->canRequesterUpdateItem()) {
+         Session::addMessageAfterRedirect(__('You cannot delete this issue. Maybe it is taken into account.', 'formcreator'), true,  ERROR);
+         return false;
+      }
+
+      if (!$ticket->delete($ticket->fields)) {
+         Session::addMessageAfterRedirect(__('Failed to delete this issue. An internal error occured.', 'formcreator'), true, ERROR);
          return false;
       }
 
-      return $ticket->delete($ticket->fields);
+      return true;
    }
 
    /**
diff --git a/js/scripts.js.php b/js/scripts.js.php
index 73156fcf0..ad9424552 100644
--- a/js/scripts.js.php
+++ b/js/scripts.js.php
@@ -1331,6 +1331,6 @@ function plugin_formcreator_cancelMyTicket(id) {
    }).done(function(response) {
       window.location.replace(formcreatorRootDoc + '/front/issue.php?reset=reset');
    }).error(function(response) {
-      alert("<?php echo __('Failed to cancel the ticket', 'formcreator'); ?>");
+      alert(response.responseText);
    });
-}
\ No newline at end of file
+}