Fatal error: Uncaught Error: Class "yii\db\Migration" not found in D:\xampp\htdocs\vhost\b2g.businessgateways.in\New folder (3)\b2g-india-complete-pack\code\b2g_subpayment\migrations\m231024_000000_create_thawani_payments_table.php:8 Stack trace: #0 {main} thrown in D:\xampp\htdocs\vhost\b2g.businessgateways.in\New folder (3)\b2g-india-complete-pack\code\b2g_subpayment\migrations\m231024_000000_create_thawani_payments_table.php on line 8