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', 'g9dsjp2tk1j3gsdrf3l8m5uoa1', '3.144.2.83', '1743656343', '1743656343', '/')

[XT SQL Error]