Fatal error: Uncaught Error: Using $this when not in object context in D:\Server\Apache24\htdocs\zentaopms\extension\ipd\leave\view\m.view.html.php:13 Stack trace: #0 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\extension\ipd\leave\view\m.view.html.php on line 13