1366 - Incorrect integer value: '' for column `shop_db3`.`whos_online`.`customer_id` at row 1

insert into whos_online (customer_id, full_name, session_id, ip_address, time_entry, time_last_click, last_page_url) values ('', 'Guest', '8f05093596fd4316fb2895b3718041b1', '54.165.122.173', '1711646436', '1711646436', '/shop_content.php?coID=4&XTCsid=ae958f15bfdd7f280c3365e7be4f705d')

[XT SQL Error]