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', '46f41de7fb238d8ffbbaf83627e5c8ab', '3.17.73.81', '1743651709', '1743651709', '/')

[XT SQL Error]