I realized I haven’t had latest version of VisualGDB. With latest version, I get more verbose error output:
VisualGDB version: 5.2.12.1241
------------------ System.ArgumentNullException ------------------
System.ArgumentNullException: Value cannot be null.
Parameter name: hierarchy
at JetBrains.VsIntegration.ProjectModel.VsHierarchyEx.GetRootItem(IVsHierarchy hierarchy)
at JetBrains.VsIntegration.IDE.VsSolutionEventsTracker.Microsoft.VisualStudio.Shell.Interop.IVsSolutionEvents.OnBeforeUnloadProject(IVsHierarchy pRealHierarchy, IVsHierarchy pStubHierarchy)
at EnvDTE.SolutionClass.AddFromTemplate(String FileName, String Destination, String ProjectName, Boolean Exclusive)
at jn.d_2(Solution c, String a, String e, String b, Boolean d)
at kh.i(String b, String a)
at VisualGDB.Wizard.Embedded.EmbeddedProjectWizardImpl.a_2(ti b, String c, String a)
at d31`1.Execute(Object c, Int32 e, Object[]& d, Object[]& a, wizardResult& b)