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', 'a01b5fd05c87bad4638fae0773699aec', '18.226.150.175', '1713973424', '1713973424', '/products_new.php/language/de')

[XT SQL Error]