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', '42db171bd0857e9dc5fd119131c8fa55', '18.118.32.213', '1713526395', '1713526395', '/product_info.php/language/de/info/p2988_Armenien-Reliefkarte.html')

[XT SQL Error]