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', 'f6e6a6902f3542b0e533c080243ded6c', '3.145.163.58', '1714021213', '1714021213', '/shop_content.php/language/en/coID/3/content/Unsere-AGB')

[XT SQL Error]