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', '5h74s3rh93ugbhp5egkn6j7ec0', '3.16.76.43', '1713442744', '1713442744', '/Kerze-Windmuehle/Kerze-Windmuehle-Champagne::600.html')

[XT SQL Error]