Fatal error: Uncaught Error: Class 'yii\db\Migration' not found in /home/wittyly/public_html/live/hr-witty/migrations/m221129_055441_update_subscription_tables_add_created_at_updated_at.php:8 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/hr-witty/migrations/m221129_055441_update_subscription_tables_add_created_at_updated_at.php on line 8