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', '431c6eab1f2d134865fe2bdfcf8acff2', '18.191.13.255', '1714178663', '1714178663', '/product_info.php?info=p298_Bei-uns-in-Bayern.html&XTCsid=638bbe3e68bb73ad3db5aa2ad24a3591')

[XT SQL Error]