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', '23c79a810417c1f811c1bbbf873cbce1', '3.85.63.190', '1710827655', '1710827655', '/shop_content.php/coID/3/content/Unsere-AGB-s')

[XT SQL Error]