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', 'd1468e8fmvibk2ot7tvt44hp20', '52.90.227.42', '1711713028', '1711713028', '/Pyramidenkerze-23-cm/Pyramide-Groesse-S-Weinrot::518.html')

[XT SQL Error]