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', '8d5253d7a8dbe9d0329f3b3fac1f12c7', '44.202.198.173', '1711710955', '1711710955', '/product_info.php/language/de/info/p1602_Gabon-Satellite-Image.html')

[XT SQL Error]