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', 'cc5293ecf684bd1a48a29617346a67f7', '216.73.216.115', '1761378051', '1761378051', '/shop_content.php/language/de/coID/8/content/Sitemap')

[XT SQL Error]