Fatal error: Uncaught Error: Class 'yii\db\Migration' not found in /home/abertime/new.abertime.com.ua/vendor/carono/yii2-migrate/tests/app/migrations/m180712_120503_init.php:9 Stack trace: #0 {main} thrown in /home/abertime/new.abertime.com.ua/vendor/carono/yii2-migrate/tests/app/migrations/m180712_120503_init.php on line 9