Fatal error: Uncaught Error: Class "yii\debug\Panel" not found in /home/apolo/public_html/sgdpr/vendor/2-yiisoft/yii2-debug/src/panels/MailPanel.php:26 Stack trace: #0 {main} thrown in /home/apolo/public_html/sgdpr/vendor/2-yiisoft/yii2-debug/src/panels/MailPanel.php on line 26