Notice: Undefined variable: app in D:\Server\Apache24\htdocs\zentaopms\extension\lite\kanban\ext\view\import.html.php on line 14

Fatal error: Uncaught Error: Call to a member function getModuleRoot() on null in D:\Server\Apache24\htdocs\zentaopms\extension\lite\kanban\ext\view\import.html.php:14 Stack trace: #0 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\extension\lite\kanban\ext\view\import.html.php on line 14