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', '747d4e1ac048d02fbeec19c0ad1c585c', '3.144.172.115', '1714059718', '1714059718', '/product_info.php/info/p2759_Die-Gambia-Reliefkarte.html')

[XT SQL Error]