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', 'cj0q65j8qhsn6g4jjk7shiuml5', '18.223.196.59', '1713596136', '1713596136', '/Glasuntersetzer/Serie-Optimal/Glasteller-Optimal-100::273.html')

[XT SQL Error]