5.15.50应用加载失败，无法编辑和新建应用

5.15.50打开不了应用，显示“应用加载失败”，日志显示：

2024-02-27 12:36:56,229 [1] [WARN] : Failed to load app
System.ArgumentNullException: Value cannot be null. (Parameter 'stream')
   at System.IO.StreamReader..ctor(Stream stream, Encoding encoding, Boolean detectEncodingFromByteOrderMarks, Int32 bufferSize, Boolean leaveOpen)
   at ShadowBot.Runtime.Development.FlowTypeSystem.InitFlowTypeSystem(String resourceName) in D:\Work\xbot\src\client\ShadowBot.Runtime.Development\FlowTypeSystem.cs:line 110
   at ShadowBot.Runtime.Development.FlowTypeSystem..ctor(Workspace workspace) in D:\Work\xbot\src\client\ShadowBot.Runtime.Development\FlowTypeSystem.cs:line 99
   at ShadowBot.Runtime.Development.Workspace..ctor(IPackage package, StudioKind studioKind) in D:\Work\xbot\src\client\ShadowBot.Runtime.Development\Workspace.cs:line 45
   at ShadowBot.Shell.Console.Common.StudioManager.<>c__DisplayClass21_0.<<CreateStudioAsync>b__0>d.MoveNext() in D:\Work\xbot\src\client\ShadowBot.Shell.Console\Common\IStudioManager.cs:line 112
--- End of stack trace from previous location ---
   at ShadowBot.Shell.Console.Common.StudioManager.CreateStudioAsync(IPackageFactory packageFactory, CreateStudioOptions options) in D:\Work\xbot\src\client\ShadowBot.Shell.Console\Common\IStudioManager.cs:line 103

有大神帮忙帮忙看看是什么问题吗