1366 - Incorrect integer value: '' for column `pella-ware`.`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', '3pj5i03jooqulkeeo9gtiide46', '3.146.105.194', '1713563075', '1713563075', '/login.php?XTCsid=3pj5i03jooqulkeeo9gtiide46')

[XT SQL Error]