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', '7a9c0767e2539652b43e5dd45994ed48', '3.141.7.194', '1713631159', '1713631159', '/product_info.php/language/de/info/p2696_Azerbaijan-Relief-Map.html')

[XT SQL Error]