Fatal error: Uncaught Error: Class 'yii\db\Migration' not found in /home/wittyly/public_html/live/hr-witty/migrations/m240820_075828_add_stripe_base_id_to_subscription_plans.php:8 Stack trace: #0 {main} thrown in /home/wittyly/public_html/live/hr-witty/migrations/m240820_075828_add_stripe_base_id_to_subscription_plans.php on line 8