Fatal error: Uncaught Error: Class 'yii\debug\Panel' not found in /mnt/www/law_firm/crm/vendor/yiisoft/yii2-debug/src/panels/UserPanel.php:37 Stack trace: #0 {main} thrown in /mnt/www/law_firm/crm/vendor/yiisoft/yii2-debug/src/panels/UserPanel.php on line 37