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', '22f76c7af725a6dedbeb90e222c84717', '3.235.75.229', '1711617304', '1711617304', '/shop_content.php?coID=4&XTCsid=4a502cf522b059da09cfca377185d405')

[XT SQL Error]