Fatal error: Uncaught Error: Class 'yii\db\Migration' not found in /home/abertime/new.abertime.com.ua/vendor/costa-rico/yii2-images/migrations/m140622_111545_add_name_to_image_table.php:5 Stack trace: #0 {main} thrown in /home/abertime/new.abertime.com.ua/vendor/costa-rico/yii2-images/migrations/m140622_111545_add_name_to_image_table.php on line 5