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', '1c3b7ce985edf0125526408cdc5f348c', '3.142.250.114', '1713980434', '1713980434', '/shop_content.php/language/de/coID/3/content/Unsere-AGB-s')

[XT SQL Error]