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', '169cd5e0818bf27e271c5abf5743a155', '3.17.150.89', '1714120452', '1714120452', '/product_info.php/info/p2813_Die-Bahamas-8-Reliefkarte.html')

[XT SQL Error]