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', '82786fe947d7bc3dabc0cb40256fce10', '18.97.14.84', '1768838408', '1768838408', '/')

[XT SQL Error]