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', 'b4210f8bb40cd16d2b5b48a9f1d88853', '18.218.127.141', '1714056640', '1714056640', '/product_info.php/language/en/info/p3155_Germany-Relief-Map.html')

[XT SQL Error]