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', 'bhelrvl2fv27qtmoqefj25slj0', '3.17.28.48', '1713595347', '1713595347', '/Kerze-Spiralkugel/Spiralkugel-Dunkelblau::653.html')

[XT SQL Error]