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', '7447932fd9cd48c75b6818d4eba50eb8', '3.238.82.77', '1728824563', '1728824563', '/')

[XT SQL Error]