Fatal error: Uncaught Error: Class "yii\debug\Panel" not found in /home/cp360482/public_html/yii2/vendor/yiisoft/yii2-debug/src/panels/ProfilingPanel.php:21 Stack trace: #0 {main} thrown in /home/cp360482/public_html/yii2/vendor/yiisoft/yii2-debug/src/panels/ProfilingPanel.php on line 21