Fatal error: Uncaught Error: Class "yii\debug\Panel" not found in /var/www/firstlan.uchetprosto.ru/vendor/yiisoft/yii2-debug/src/panels/LogPanel.php:21 Stack trace: #0 {main} thrown in /var/www/firstlan.uchetprosto.ru/vendor/yiisoft/yii2-debug/src/panels/LogPanel.php on line 21