Fatal error: Uncaught Error: Class 'yii\gii\Generator' not found in /var/www/html/ng-crm/yiiapp/vendor/yiisoft/yii2-mongodb/src/gii/model/Generator.php:23 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/vendor/yiisoft/yii2-mongodb/src/gii/model/Generator.php on line 23