Fatal error: Uncaught Error: Class 'yii\rbac\BaseManager' not found in /var/www/html/ng-crm/yiiapp/vendor/letyii/yii2-rbac-mongodb/MongodbManager.php:25 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/vendor/letyii/yii2-rbac-mongodb/MongodbManager.php on line 25