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', 'd9b2b5n3fm505a8f193l1btan4', '18.97.9.168', '1733539961', '1733539961', '/')

[XT SQL Error]