Fatal error: Uncaught Error: Class "Yii" not found in D:\xampp\htdocs\vhost\b2g.businessgateways.in\New folder (3)\b2g_usermgmt\modules\apium\controllers\UmController.php:11 Stack trace: #0 {main} thrown in D:\xampp\htdocs\vhost\b2g.businessgateways.in\New folder (3)\b2g_usermgmt\modules\apium\controllers\UmController.php on line 11