1366 - Incorrect integer value: '' for column `mapshopatlogis`.`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', 'c23cc221ed27a021b6652f855db0881d', '3.139.82.23', '1714023498', '1714023498', '/product_info.php/info/p3316_Fiji-3-Reliefkarte.html')

[XT SQL Error]