Fatal error: Uncaught Error: Class 'yii\rest\ActiveController' not found in /var/www/html/ng-crm/yiiapp/backend/controllers/RentalPeriodsController.php:20 Stack trace: #0 {main} thrown in /var/www/html/ng-crm/yiiapp/backend/controllers/RentalPeriodsController.php on line 20