Fatal error: Uncaught Error: Class 'helper' not found in D:\Server\Apache24\htdocs\zentaopms\extension\max\common\view\header.modal.html.php:13 Stack trace: #0 D:\Server\Apache24\htdocs\zentaopms\extension\max\workflow\view\view.html.php(13): include() #1 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\extension\max\common\view\header.modal.html.php on line 13