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', 'a854ea192eb261bd74228b4ba8ee4601', '3.144.250.169', '1713524614', '1713524614', '/product_info.php/language/en/info/p2608_Indien-Reliefkarte.html')

[XT SQL Error]