1366 - Incorrect integer value: '' for column `usr_web74_1`.`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', '3q39f3ldqnlaog6c2ke3chi934', '216.73.216.8', '1751954202', '1751954202', '/')

[XT SQL Error]