Fatal error: Uncaught Error: Using $this when not in object context in D:\Server\Apache24\htdocs\zentaopms\extension\max\product\ext\view\browse.excel.html.hook.php:1 Stack trace: #0 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\extension\max\product\ext\view\browse.excel.html.hook.php on line 1