Mentioned Users array declaration

modules/Vtiger/actions/MentionedUsers.php

@@ -20,6 +20,7 @@ class Vtiger_MentionedUsers_Action extends Vtiger_Action_Controller {
}
public function process(Vtiger_Request $request) {
+        $mentionedUsers = [];
$commentId = $request->get('crmid');
$commentRecord = Vtiger_Record_Model::getInstanceById($commentId, Vtiger_Module_Model::getInstance('ModComments'));
$commentOwnerId = $commentRecord->get('creator');