em is trying to open a yaf v1.9.5 solution oriented to VS 2008, but an error occurred while opening a yaf solution in VS 2008:
Unable to read project file "YAF.Classes.Core.csproj".
C: \ WINDOWS \ Microsoft.NET \ Framework \ v4.0.30319 \ Microsoft.CSharp.targets (132.9): the "Returns" attribute in the element is not recognized.
Unable to read project file "DNA.csproj".
C: \ WINDOWS \ Microsoft.NET \ Framework \ v4.0.30319 \ Microsoft.CSharp.targets (132.9): the "Returns" attribute in the element is not recognized.
. , , finally,
One or more projects in the solution cannot be loaded for the following reasons:
An application for the project has not been installed.
These projects will be marked as unavailable in Solution Explorer. Expand the node project to show the reason the project could not be loaded.
please help me if possible.
Thanks Lucky