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', '8279ef063caa7c1b1111e148c1b4b415', '3.229.122.112', '1710847488', '1710847488', '/shop_content.php/coID/7/content/Kontakt')

[XT SQL Error]