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', 'a451c6eb9325cbf70eedf4abad24c67d', '3.135.205.146', '1714004529', '1714004529', '/product_info.php/language/de/info/p3986_Afrika-Reliefkarte.html')

[XT SQL Error]