Error when building Orleans projecthttp://developers.de/blogs/damir_dobric/archive/2014/06/10/error-when-building-orleans-project.aspxWhen building an “Orleans” Project you might get following error. ERROR -- Exception caught -- Exception = System.InvalidOperationException: This operation is only valid on generic types.     at System.RuntimeType.GetGenericTypeDefinitionenCommunityServer 2008 SP1 (Build: 30619.63)