1366 - Incorrect integer value: '' for column `pella-ware`.`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', '64c937118c709168bc42b1ad962e2564', '52.14.126.74', '1713264869', '1713264869', '/shop_content.php?coID=2')

[XT SQL Error]