Notice: Undefined variable: app in D:\Server\Apache24\htdocs\zentaopms\tmp\backup\20250213110740520_6.code\extension\ipd\common\ext\view\header.flow.html.hook.php on line 6

Fatal error: Uncaught Error: Call to a member function isServing() on null in D:\Server\Apache24\htdocs\zentaopms\tmp\backup\20250213110740520_6.code\extension\ipd\common\ext\view\header.flow.html.hook.php:6 Stack trace: #0 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\tmp\backup\20250213110740520_6.code\extension\ipd\common\ext\view\header.flow.html.hook.php on line 6