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', '07a177da10d6dafcc4699f4c41f7b965', '216.73.216.66', '1792100605', '1792100605', '/')

[XT SQL Error]