[MonoDevelop] Exception opening solution which contains an ASP.Net project

[Jerome Haltom]

Exception occurred: A null value was found where an object instance was
required.

System.NullReferenceException: A null value was found where an object
instance was required.
  at MonoDevelop.Projects.DotNetProject.GetOutputFileName () [0x00000] 
  at MonoDevelop.Autotools.MakefileData.ResolveProjectReferences
(MonoDevelop.Projects.Combine c, IProgressMonitor monitor) [0x00000] 
  at MonoDevelop.Autotools.MakefileProjectServiceExtension.Load
(IProgressMonitor monitor, System.String fileName) [0x00000]