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', 'f2a50150b7a5d8f16ba3c2749bae5b58', '3.22.181.211', '1713542799', '1713542799', '/shop_content.php/coID/23')

[XT SQL Error]