Fatal error: Uncaught Error: Class 'yii\web\Session' not found in /var/www/html/ng-crm/yiiapp/vendor/yiisoft/yii2-redis/src/Session.php:57 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/vendor/yiisoft/yii2-redis/src/Session.php on line 57