Fatal error: Uncaught Error: Class 'yii\helpers\StringHelper' not found in /home/abertime/new.abertime.com.ua/vendor/schmunk42/yii2-giiant/src/generators/crud/default/controller.php:12 Stack trace: #0 {main} thrown in /home/abertime/new.abertime.com.ua/vendor/schmunk42/yii2-giiant/src/generators/crud/default/controller.php on line 12