Error: 
    INSERT INTO features (`name`, `file_name`, `menu_type`, `category_id`, `is_active`, `sequence`)
    SELECT '', '', '', '', '1', '1'
    FROM DUAL
    WHERE NOT EXISTS (
        SELECT 1 
        FROM features 
        WHERE `name` = '' AND `category_id` = ''
    )<br>PHP file '.php' created successfully.