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', '3b941b565d95ad5395b9473f7ba0e0c4', '18.220.16.184', '1714099290', '1714099290', '/popup_content.php?coID=1&XTCsid=cb0ad84d7acc90898c9ea3492fbc1557')

[XT SQL Error]