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', '12ecc9883f4861bd9119a15a693be17b', '3.142.53.68', '1714130458', '1714130458', '/shop_content.php/language/en/coID/3')

[XT SQL Error]