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', '3e60fdc3244d44b1b47b9ceb0ce31de7', '18.219.236.62', '1713953442', '1713953442', '/product_info.php/language/de/info/p3340_Groenland-Reliefkarte.html')

[XT SQL Error]