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/2011/12/Biblioasturias020-Berta-Pi%C3%B1%C3%A1n.jpg&w=340&h=192&zc=1&q=100
http://www.biblioasturias.com/wp-content/uploads/2011/12/Biblioasturias020-Berta-Piñán.jpg
TimThumb version : 2.8