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', '849acab78ca10a8acc06d0f4ccde036d', '54.82.20.97', '1711700256', '1711700256', '/shop_content.php?coID=3&XTCsid=f716959fd807bba9b6e004501137d276')

[XT SQL Error]