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', '010aeec23e1aec032f45b9979d9116fe', '18.220.59.69', '1714047755', '1714047755', '/shop_content.php/language/de/coID/7/content/Contact')

[XT SQL Error]