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', 'c56c7tepgtnse6vrv69cth92c7', '44.210.103.233', '1711700939', '1711700939', '/Kegel-Kerze/Kegel-Kerze-Hellgruen::748.html')

[XT SQL Error]