1366 - Incorrect integer value: '' for column `usr_web74_1`.`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', '4590oq1f4v9msnjq6bitc14m93', '18.97.14.91', '1745380907', '1745380907', '/shop_content.php?coID=7')

[XT SQL Error]