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', '91ab08875eb4e22fe5c55aee7ccfeebd', '3.138.105.124', '1714100123', '1714100123', '/shop_content.php?coID=2&XTCsid=a451af72c17a970910eac808a75b0ae1')

[XT SQL Error]