Unknown model file format version with Yolo Model Object Detection

[michael-hawker]

"The parameter is incorrect.\r\n\r\nFailed to load model with error: Unknown model file format version."

   at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<InitModelAsync>d__9.MoveNext()
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<EvaluateFrame>d__10.MoveNext()
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<DetectObjects>d__8.MoveNext()
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<DetectObjects>d__6.MoveNext()
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
   at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
   at IntelligentLabsTest.ResultsPage.<OnNavigatedTo>d__4.MoveNext() in H:\code\Labs-IntelligentAPIs\IntelligentAPIsTester\ResultsPage.xaml.cs:line 74
   at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
   at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.<ThrowAsync>b__7_0(Object state)
   at System.Threading.WinRTSynchronizationContextBase.Invoker.InvokeCore()

Happens for me in main and with NuGet package.

VS 16.9.8 Win 10 21H1 19043

[michael-hawker]

Happens on this line:

_session = new LearningModelSession(_model, device);

   at Windows.AI.MachineLearning.LearningModelSession..ctor(LearningModel model, LearningModelDevice deviceToRunOn)
   at CommunityToolkit.Labs.Intelligent.ObjectDetection.YOLOObjectDetector.<InitModelAsync>d__9.MoveNext() in H:\code\Labs-IntelligentAPIs\ObjectDetector\YOLOObjectDetector.cs:line 191

[michael-hawker]

This happens for me in their official sample as well:

[michael-hawker]

Linking to issue in the sample repo here #404.