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', '3e14c84d6f8fce1cbb53616cdd4737ce', '13.59.82.167', '1713552681', '1713552681', '/shop_content.php?coID=4&XTCsid=41f283276f02c57a558016baf9b157ec')

[XT SQL Error]