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', 'g41fur7of1mvqv42lmjuijhs84', '216.73.216.232', '1751324546', '1751324546', '/create_account.php')

[XT SQL Error]