Unable to add the specified project reference. The reference must be a Windows Phone project that targets the current or earlier version of the Windows Phone OS.
Unable to add a reference to project '{0}'. The current project does not support references to Portable Library projects. ...
Unable to add a reference to project '{0}'. The current project's target framework is not one of or compatible with the target ...
Unable to add a reference to project '{0}'. The target frameworks of Portable Library project '{0}' are not the same or compatible ...
Unable to add a service reference to the specified OData feed because WCF Data Services is not installed for this target ...
Unable to add the specified project reference. The reference must be a Windows Phone project that targets the current or ...
Unable to apply this change while debugging. A method containing usage of an embedded interop type/member was affected. You ...
Unable to associate your App with the Windows Store because the app manifest is invalid. Correct the errors in the app manifest. ...
Unable to associate your App with the Windows Store because the app manifest is missing. Add an app manifest to the project. ...
Unable to attach to process. Attach is only supported for processes that are running in the same user session as the Remote ...