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', '7e4cb2454241b84033feee4afdc418de', '3.147.42.168', '1713555612', '1713555612', '/shop_content.php?coID=9&XTCsid=0b5950426fd4d33665c5302b513a92c8')

[XT SQL Error]