1366 - Incorrect integer value: '' for column `db162720`.`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', 'fbia78pdnft42ln4hronsvjjs0', '18.118.120.204', '1714046624', '1714046624', '/shop_content.php/coID/7/content/Contact')

[XT SQL Error]