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', '0boc5uco3ueumctmha3hbfa173', '3.17.154.171', '1713857042', '1713857042', '/Kerze-Windmuehle:::60.html')

[XT SQL Error]