Microsoft.VisualStudio.CommonIDE.Solutions.HResultExtensions+WrapperCOMException (0x8000FFFF):

[zlm166]

[Window Title] devenv.exe

[Main Instruction] 发生意外错误

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[Expanded Information]

Build: 17.0.24064.1

Microsoft.VisualStudio.CommonIDE.Solutions.HResultExtensions+WrapperCOMException (0x8000FFFF): 灾难性故障 (异常来自 HRESULT:0x8000FFFF (E_UNEXPECTED)) [FindActiveProjectCfg @ SolutionBuildManager.cs:2222] ---> System.Runtime.InteropServices.COMException (0x8000FFFF): 灾难性故障 (异常来自 HRESULT:0x8000FFFF (E_UNEXPECTED)) [FindActiveProjectCfg @ SolutionBuildManager.cs:2222]
   在 System.Runtime.InteropServices.Marshal.ThrowExceptionForHRInternal(Int32 errorCode, IntPtr errorInfo)
   在 Microsoft.VisualStudioTools.Project.ProjectNode.SetCurrentConfiguration()
   在 Microsoft.PythonTools.Project.PythonProjectNode.SetCurrentConfiguration()
   在 Microsoft.VisualStudioTools.Project.ProjectNode.GetMsBuildProperty(String propertyName, Boolean resetCache)
   在 Microsoft.VisualStudioTools.Project.ProjectNode.GetProjectProperty(String propertyName, Boolean resetCache)
   在 Microsoft.PythonTools.Project.CondaEnvCreateProjectInfoBar.<CheckAsync>d__4.MoveNext()
--- 引发异常的上一位置中堆栈跟踪的末尾 ---
   在 System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   在 System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   在 Microsoft.PythonTools.Infrastructure.VSTaskExtensions.<HandleAllExceptions>d__5.MoveNext()

[StellaHuang95]

Thanks for reporting the issue. Is your code in a public repo or could you provide code samples that help us repro this issue? Does this repro constantly for you? Could you also share more detailed repro steps? Thanks!