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', '00ee95e4642cf71a5997ff04632e6cb0', '216.73.216.73', '1784050259', '1784050259', '/')

[XT SQL Error]