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', 'd3c2375bae12bb5d4d7fded67bc82049', '18.191.228.88', '1713491961', '1713491961', '/product_info.php/info/p3193_Guinea-Reliefkarte.html')

[XT SQL Error]