Fatal error: Uncaught Error: Interface "yii\base\BootstrapInterface" not found in D:\xampp\htdocs\vhost\b2g.businessgateways.in\New folder (3)\nibe_datamanager\tests\Support\MailerBootstrap.php:19 Stack trace: #0 {main} thrown in D:\xampp\htdocs\vhost\b2g.businessgateways.in\New folder (3)\nibe_datamanager\tests\Support\MailerBootstrap.php on line 19