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', 'tau7l0ove8o9f9el906a0r3e51', '3.14.247.147', '1746776858', '1746776858', '/account.php')

[XT SQL Error]