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', 'b875eb55c1e685531c06ef8c7ce11de1', '18.116.239.195', '1714052967', '1714052967', '/shop_content.php/language/de/coID/4/content/Impressum')

[XT SQL Error]