Notice: Undefined variable: app in D:\Server\Apache24\htdocs\zentaopms\module\mr\ui\approval.html.php on line 12

Fatal error: Uncaught Error: Call to a member function loadLang() on null in D:\Server\Apache24\htdocs\zentaopms\module\mr\ui\approval.html.php:12 Stack trace: #0 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\module\mr\ui\approval.html.php on line 12