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', 'fc4765e8cbb6d5230750e3adf253554a', '3.131.13.194', '1713514329', '1713514329', '/index.php/language/en/refID/1/cat/c19_Reliefkarten-Digital.html')

[XT SQL Error]