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', '216c3609db2e4f3046ff8d0415aea0e1', '216.73.216.100', '1749724910', '1749724910', '/')

[XT SQL Error]