Fatal error: Uncaught Error: Class 'yii\db\Migration' not found in /home/luxurytr/public_html/lt8/vendor/yiisoft/yii2-queue/src/drivers/db/migrations/M170509001400Retry.php:17 Stack trace: #0 {main} thrown in /home/luxurytr/public_html/lt8/vendor/yiisoft/yii2-queue/src/drivers/db/migrations/M170509001400Retry.php on line 17