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', '170e5b76en2nqtkim0mo5cgna3', '18.119.143.4', '1713541603', '1713541603', '/Gitternetz-Kerze/Gitternetz-Kerze-Gelb::708.html')

[XT SQL Error]