View file Remove image backgrounds/remove-bg/dark/admin-pannel/config/core.php

<?php $domain=$_SERVER['HTTP_HOST'];
		if($domain=='localhost'){ 	
		define('DB_HOST', 'localhost');
		define('DB_USER', 'root');
		define('DB_PASS', '');
		define('DB_NAME', 'bg_remove_1');
		}else{	
		define('DB_HOST', 'localhost');
		define('DB_USER', 'root');
		define('DB_PASS', '');
		define('DB_NAME', 'bg_remove_1');
		}