A TimThumb error has occured

The following error(s) occured:

Could not find the internal image you specified.

Query String : src=http://www.rapidstheatre.com/wp-content/uploads/2013/04/Promo+Shot+2011-1+copy2-150x150.jpg&a=c&w=60&h=60&q=100
TimThumb version : 2.8.11