Fatal error: Uncaught Error: Class "yii\base\Behavior" not found in D:\xampp\htdocs\vhost\b2g.businessgateways.in\New folder (3)\b2g_digitall\components\IpAddressBehavior.php:26 Stack trace: #0 {main} thrown in D:\xampp\htdocs\vhost\b2g.businessgateways.in\New folder (3)\b2g_digitall\components\IpAddressBehavior.php on line 26