This is a simpliest example

<?php    
	$xcrud = Xcrud::get_instance();	
	$xcrud->table("payments");
    echo $xcrud->render();
?>

Warning: mysqli_connect(): (HY000/1049): Unknown database 'xcrud1_7_v6' in /var/www/html/xcrud/demo/xcrud-lte/xCrud_1.7.26/xcrud/xcrud_db.php on line 50