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', 'c0d7c5d98fd3ae0abcb6493743af9bfc', '18.118.218.112', '1743719932', '1743719932', '/')

[XT SQL Error]