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', 'c8e7e6a733c8b81cda8708027b612b2a', '3.149.229.253', '1713459838', '1713459838', '/product_info.php/language/en/info/p3012_Belize-Reliefkarte.html')

[XT SQL Error]