1366 - Incorrect integer value: '' for column `db160153`.`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', '9kq8sl3kbnlnvrjq7m51eb8ou7', '3.133.112.73', '1713611212', '1713611212', '/Kerze-Windmuehle/Kerze-Windmuehle-Weiss-Dunkelblau::609.html')

[XT SQL Error]