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', '5a027ecd24b53d9f16ff39b84d90eb21', '3.144.35.148', '1714203431', '1714203431', '/product_info.php/info/p10_3D-Druck.html')

[XT SQL Error]