A Database Error Occurred

Error Number: 1054

Unknown column 'index.html' in 'where clause'

SELECT c.categoria, `id_news` , `Titolo` , `Descrizione` , `Data` , `like` , `video` FROM news AS n, categoria AS c WHERE n.categoria = c.id_cat and id_news=index.html

Filename: D:/inetpub/webs/tosimarcoit/system/database/DB_driver.php

Line Number: 691