Fatal error: Uncaught Error: Using $this when not in object context in /home/wittyly/public_html/live/hr-witty/vendor/yiisoft/yii2-debug/src/views/default/index.php:13 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/hr-witty/vendor/yiisoft/yii2-debug/src/views/default/index.php on line 13