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', 'eafbcdb4a3eb79170ecb3d519e01aba9', '18.118.164.151', '1714134086', '1714134086', '/shop_content.php?coID=8&XTCsid=4a502cf522b059da09cfca377185d405')

[XT SQL Error]