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', 'd52f604dbe70c8a0cf71b00acba8a890', '3.238.195.81', '1711629524', '1711629524', '/product_info.php/language/de/info/p3546_Guadeloupe-Reliefkarte.html')

[XT SQL Error]