Fatal error: Uncaught Error: Using $this when not in object context in D:\Server\Apache24\htdocs\zentaopms\extension\biz\pivot\ext\ui\block\query.step.html.php:12 Stack trace: #0 {main} thrown in D:\Server\Apache24\htdocs\zentaopms\extension\biz\pivot\ext\ui\block\query.step.html.php on line 12