The “CreateRiaClientFilesTask” task failed unexpectedly

Question

I\'ve VS 2010 and recently installed WCF RIA Services V1.0. For testing I have created a new Silverligh Business project but now every now and then when I rebuild the solution I

Answer 1

This happened to me when upgrading from MVC3 to MVC5. MVC5 lists dependent assemblies in a different place in web.config. Look for an section in web.config and comment it out (even though it is the correct version)