Fatal error: Uncaught Error: Class "yii\debug\Panel" not found in /home/apolo/public_html/qua_sgdpr/vendor/yiisoft/yii2-debug/panels/TimelinePanel.php:27 Stack trace: #0 {main} thrown in /home/apolo/public_html/qua_sgdpr/vendor/yiisoft/yii2-debug/panels/TimelinePanel.php on line 27