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', '5c3e359ee59a3ee26a0b772e93c6e46d', '54.226.126.38', '1711633457', '1711633457', '/shop_content.php?coID=1&XTCsid=4a502cf522b059da09cfca377185d405')

[XT SQL Error]