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', 'cf9ffd740b1c10265b6f11532b5f80dc', '18.221.129.19', '1713582216', '1713582216', '/product_info.php/language/de/info/p3991_North-America-Relief-Map.html')

[XT SQL Error]