A TimThumb error has occured

The following error(s) occured:

Could not find the internal image you specified.

Query String : src=http%3A%2F%2Fwww.biblioasturias.com%2Fwp-content%2Fuploads%2F2013%2F11%2FAves-espana-atlantic
http://www.biblioasturias.com/wp-content/uploads/2013/11/Aves-espana-atlantic
TimThumb version : 2.8