Experiencing type incompatible error when we add ProtoBufFormatter to HttpConfiguration Formatters

[vdhubala]

HttpConfiguration.Formatters.Insert(0, new ProtoBufFormatter());
(OR)
HttpConfiguration.Formatters.Add(new ProtoBufFormatter());

Exception: Attempted to access an element as a type incompatible with the array.
.NET Frame work: 4.5
WebApi Package: Microsoft.Owin - 3.0.1, System.Net.Http.Formatting- 5.2.3,
Visual Studio - Ultimate 2013,
Name of the Nuget package for Protobuf: WebApiContrib.Formatting.ProtoBuf

[JayShahInd]

hello, getting same error. Did anyone solve this ?