A TimThumb error has occured

The following error(s) occured:

The remote file is not a valid image. Mimetype = 'text/html' File = /var/www/html/timthumb/cache/timthumbm9SDa0

Query String : w=200&h=230&zc=1&a=c&src=http://www.torinofilmfest.org/public/uploaded/0a53a46dc80732fc63536282d0e70939123223.gif
TimThumb version : 2.8.13