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', '2oefh0ob3h7as7blgor97v2u52', '216.73.216.120', '1765212813', '1765212813', '/create_account.php')

[XT SQL Error]