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', '5nchqe8vges8oootr7icgn90d0', '13.58.247.31', '1714016040', '1714016040', '/Kerze-Windmuehle/Kerze-Windmuehle-Goldgelb::611.html')

[XT SQL Error]