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', '1e17353abc9d0c65f3f726c6b3a0956a', '3.128.199.210', '1714152523', '1714152523', '/shop_content.php?coID=4&XTCsid=0b5950426fd4d33665c5302b513a92c8')

[XT SQL Error]