A TimThumb error has occured

The following error(s) occured:

Could not find the internal image you specified.

Query String : src=http://www.biblioasturias.com/wp-content/uploads/2012/01/Biblioasturias133-Mieres-Carmen-Casta%C3%B1on-620x444.jpg&w=340&h=192&zc=1&q=100
http://www.biblioasturias.com/wp-content/uploads/2012/01/Biblioasturias133-Mieres-Carmen-Castañon-620x444.jpg
TimThumb version : 2.8