1366 - Incorrect integer value: '' for column `ngtkeZ_web1104_2`.`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', 'tu71l0ava0til24bopir762724', '3.238.173.209', '1620874220', '1620874220', '/')

[XT SQL Error]