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Model compilation issue in Blazor WASM #465

@kant2002

Description

@kant2002

I only report this for now, after your fix in #462 I now receve stack trace listed below. I do not this there easy fix, maybe I'm wrong. I definitely try to build from source and play with compilation.

Also maybe it is make sense somehow to document build of the model manually. Maybe serialize results of compilation somehow and provide a way to run model from precompiled state.

Compiling model...done.
Warning, could not add location for assembly: Microsoft.ML.Probabilistic, Version=65534.0.0.0, Culture=neutral, PublicKeyToken=e4813102a62778da
System.ArgumentException: The value cannot be an empty string. (Parameter 'path')
   at System.ArgumentException.ThrowNullOrEmptyException(String argument, String paramName)
   at System.ArgumentException.ThrowIfNullOrEmpty(String argument, String paramName)
   at System.IO.Strategies.FileStreamHelpers.ValidateArguments(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, Int64 preallocationSize)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, Int64 preallocationSize)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean useAsync)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
   at System.IO.File.OpenRead(String path)
   at Roslyn.Utilities.FileUtilities.OpenFileStream(String path)
   at Microsoft.CodeAnalysis.MetadataReference.CreateFromFile(String path, MetadataReferenceProperties properties, DocumentationProvider documentation)
   at Microsoft.ML.Probabilistic.Compiler.CodeCompiler.CompileWithRoslyn(List`1 filenames, List`1 sources, ICollection`1 referencedAssemblies)
Warning, could not add location for assembly: System.Private.CoreLib, Version=8.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e
System.ArgumentException: The value cannot be an empty string. (Parameter 'path')
   at System.ArgumentException.ThrowNullOrEmptyException(String argument, String paramName)
   at System.ArgumentException.ThrowIfNullOrEmpty(String argument, String paramName)
   at System.IO.Strategies.FileStreamHelpers.ValidateArguments(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, Int64 preallocationSize)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, Int64 preallocationSize)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean useAsync)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
   at System.IO.File.OpenRead(String path)
   at Roslyn.Utilities.FileUtilities.OpenFileStream(String path)
   at Microsoft.CodeAnalysis.MetadataReference.CreateFromFile(String path, MetadataReferenceProperties properties, DocumentationProvider documentation)
   at Microsoft.ML.Probabilistic.Compiler.CodeCompiler.CompileWithRoslyn(List`1 filenames, List`1 sources, ICollection`1 referencedAssemblies)
Warning, could not add location for assembly: netstandard, Version=2.1.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
.....
System.ArgumentException: The value cannot be an empty string. (Parameter 'path')
   at System.ArgumentException.ThrowNullOrEmptyException(String argument, String paramName)
   at System.ArgumentException.ThrowIfNullOrEmpty(String argument, String paramName)
   at System.IO.Strategies.FileStreamHelpers.ValidateArguments(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, Int64 preallocationSize)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, Int64 preallocationSize)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean useAsync)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
   at System.IO.File.OpenRead(String path)
   at Roslyn.Utilities.FileUtilities.OpenFileStream(String path)
   at Microsoft.CodeAnalysis.MetadataReference.CreateFromFile(String path, MetadataReferenceProperties properties, DocumentationProvider documentation)
   at Microsoft.ML.Probabilistic.Compiler.CodeCompiler.CompileWithRoslyn(List`1 filenames, List`1 sources, ICollection`1 referencedAssemblies)
Warning, could not add location for assembly: System.Formats.Asn1, Version=8.0.0.0, Culture=neutral, PublicKeyToken=cc7b13ffcd2ddd51
System.ArgumentException: The value cannot be an empty string. (Parameter 'path')
   at System.ArgumentException.ThrowNullOrEmptyException(String argument, String paramName)
   at System.ArgumentException.ThrowIfNullOrEmpty(String argument, String paramName)
   at System.IO.Strategies.FileStreamHelpers.ValidateArguments(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, Int64 preallocationSize)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options, Int64 preallocationSize)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, FileOptions options)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share, Int32 bufferSize, Boolean useAsync)
   at System.IO.FileStream..ctor(String path, FileMode mode, FileAccess access, FileShare share)
   at System.IO.File.OpenRead(String path)
   at Roslyn.Utilities.FileUtilities.OpenFileStream(String path)
   at Microsoft.CodeAnalysis.MetadataReference.CreateFromFile(String path, MetadataReferenceProperties properties, DocumentationProvider documentation)
   at Microsoft.ML.Probabilistic.Compiler.CodeCompiler.CompileWithRoslyn(List`1 filenames, List`1 sources, ICollection`1 referencedAssemblies)
Compilation failed with 128 error(s)
/GeneratedSource/Model0_EP.cs(4,7): error CS0246: The type or namespace name 'System' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(5,7): error CS0246: The type or namespace name 'Microsoft' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(6,7): error CS0246: The type or namespace name 'Microsoft' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(7,7): error CS0246: The type or namespace name 'Microsoft' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(23,35): error CS0246: The type or namespace name 'IGeneratedAlgorithm' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(207,16): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(207,16): error CS0246: The type or namespace name 'EventHandler<>' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(207,29): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(207,29): error CS0246: The type or namespace name 'ProgressChangedEventArgs' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(40,10): error CS0518: Predefined type 'System.Int32' is not defined or imported
/GeneratedSource/Model0_EP.cs(55,10): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(55,10): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(61,11): error CS0518: Predefined type 'System.Void' is not defined or imported
/GeneratedSource/Model0_EP.cs(82,24): error CS0518: Predefined type 'System.Int32' is not defined or imported
/GeneratedSource/Model0_EP.cs(82,48): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(82,11): error CS0518: Predefined type 'System.Void' is not defined or imported
/GeneratedSource/Model0_EP.cs(90,23): error CS0518: Predefined type 'System.Int32' is not defined or imported
/GeneratedSource/Model0_EP.cs(90,10): error CS0518: Predefined type 'System.Void' is not defined or imported
/GeneratedSource/Model0_EP.cs(100,10): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(100,10): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(107,34): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(107,10): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(116,26): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(116,10): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(135,24): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(144,26): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(144,47): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(144,10): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(157,24): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(157,45): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(162,34): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(162,34): error CS0246: The type or namespace name 'ProgressChangedEventArgs' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(162,11): error CS0518: Predefined type 'System.Void' is not defined or imported
/GeneratedSource/Model0_EP.cs(173,10): error CS0518: Predefined type 'System.Void' is not defined or imported
/GeneratedSource/Model0_EP.cs(183,10): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(183,10): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(191,32): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(191,53): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(191,10): error CS0518: Predefined type 'System.Void' is not defined or imported
/GeneratedSource/Model0_EP.cs(198,22): error CS0518: Predefined type 'System.Int32' is not defined or imported
/GeneratedSource/Model0_EP.cs(198,10): error CS0518: Predefined type 'System.Void' is not defined or imported
/GeneratedSource/Model0_EP.cs(207,55): error CS0518: Predefined type 'System.Void' is not defined or imported
/GeneratedSource/Model0_EP.cs(207,55): error CS0518: Predefined type 'System.Void' is not defined or imported
/GeneratedSource/Model0_EP.cs(27,10): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(27,10): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(29,10): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(31,10): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(31,10): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(33,11): error CS0518: Predefined type 'System.Int32' is not defined or imported
/GeneratedSource/Model0_EP.cs(35,10): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(35,10): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(63,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(66,4): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(66,4): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(66,28): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(66,28): error CS0103: The name 'Bernoulli' does not exist in the current context
/GeneratedSource/Model0_EP.cs(67,32): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(67,32): error CS0103: The name 'Bernoulli' does not exist in the current context
/GeneratedSource/Model0_EP.cs(68,33): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(68,33): error CS0103: The name 'Bernoulli' does not exist in the current context
/GeneratedSource/Model0_EP.cs(69,4): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(69,4): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(69,36): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(69,36): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(70,32): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(70,32): error CS0103: The name 'Bernoulli' does not exist in the current context
/GeneratedSource/Model0_EP.cs(71,4): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(71,4): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(71,32): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(71,32): error CS0103: The name 'Bernoulli' does not exist in the current context
/GeneratedSource/Model0_EP.cs(73,18): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(73,18): error CS0103: The name 'BooleanAndOp' does not exist in the current context
/GeneratedSource/Model0_EP.cs(75,32): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(75,32): error CS0103: The name 'DerivedVariableOp' does not exist in the current context
/GeneratedSource/Model0_EP.cs(75,77): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(75,77): error CS0246: The type or namespace name 'Bernoulli' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(76,27): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(84,9): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(92,9): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(92,37): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(109,14): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(109,14): error CS0246: The type or namespace name 'ArgumentException' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(109,32): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(118,22): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(118,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(118,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(119,17): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(121,22): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(121,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(121,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(122,17): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(124,22): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(124,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(124,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(125,17): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(127,14): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(127,14): error CS0246: The type or namespace name 'ArgumentException' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(127,32): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(137,11): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(137,11): error CS0103: The name 'Distribution' does not exist in the current context
/GeneratedSource/Model0_EP.cs(137,43): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(146,15): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(146,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(146,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(147,17): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(149,14): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(149,14): error CS0246: The type or namespace name 'ArgumentException' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(149,35): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(149,88): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(149,115): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(159,11): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(159,11): error CS0103: The name 'Distribution' does not exist in the current context
/GeneratedSource/Model0_EP.cs(159,43): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(166,4): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(166,4): error CS0246: The type or namespace name 'EventHandler<>' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(166,17): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(166,17): error CS0246: The type or namespace name 'ProgressChangedEventArgs' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(167,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(167,8): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(175,9): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(175,17): error CS0518: Predefined type 'System.Int32' is not defined or imported
/GeneratedSource/Model0_EP.cs(193,14): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(193,14): error CS0246: The type or namespace name 'ArgumentException' could not be found (are you missing a using directive or an assembly reference?)
/GeneratedSource/Model0_EP.cs(193,32): error CS0518: Predefined type 'System.String' is not defined or imported
/GeneratedSource/Model0_EP.cs(200,9): error CS0518: Predefined type 'System.Object' is not defined or imported
/GeneratedSource/Model0_EP.cs(200,76): error CS0518: Predefined type 'System.Boolean' is not defined or imported
/GeneratedSource/Model0_EP.cs(207,55): error CS0656: Missing compiler required member 'System.Delegate.Combine'
/GeneratedSource/Model0_EP.cs(207,55): error CS0656: Missing compiler required member 'System.Delegate.Remove'
crit: Microsoft.AspNetCore.Components.WebAssembly.Rendering.WebAssemblyRenderer[100]
      Unhandled exception rendering component: Errors found when compiling generated code for: Model0_EP
Microsoft.ML.Probabilistic.Compiler.CompilationFailedException: Errors found when compiling generated code for: Model0_EP
   at Microsoft.ML.Probabilistic.Compiler.ModelCompiler.CompileWithoutParams[IGeneratedAlgorithm](List`1 itds)
   at Microsoft.ML.Probabilistic.Compiler.ModelCompiler.CompileWithoutParams(ITypeDeclaration itd, MethodBase method, AttributeRegistry`2 inputAttributes)
   at Microsoft.ML.Probabilistic.Models.InferenceEngine.Compile()
   at Microsoft.ML.Probabilistic.Models.InferenceEngine.BuildAndCompile(Boolean inferOnlySpecifiedVars, IEnumerable`1 vars)
   at Microsoft.ML.Probabilistic.Models.InferenceEngine.GetCompiledInferenceAlgorithm(Boolean inferOnlySpecifiedVars, IVariable var)
   at Microsoft.ML.Probabilistic.Models.InferenceEngine.InferAll(Boolean inferOnlySpecifiedVars, IVariable var)
   at Microsoft.ML.Probabilistic.Models.InferenceEngine.Infer(IVariable var)
   at InferBlazor.Pages.Counter.IncrementCount() in C:\d\github\InferBlazor\InferBlazor\Pages\Counter.razor:line 35
   at Microsoft.AspNetCore.Components.EventCallbackWorkItem.InvokeAsync[Object](MulticastDelegate delegate, Object arg)
   at Microsoft.AspNetCore.Components.EventCallbackWorkItem.InvokeAsync(Object arg)
   at Microsoft.AspNetCore.Components.ComponentBase.Microsoft.AspNetCore.Components.IHandleEvent.HandleEventAsync(EventCallbackWorkItem callback, Object arg)
   at Microsoft.AspNetCore.Components.EventCallback.InvokeAsync(Object arg)
   at Microsoft.AspNetCore.Components.RenderTree.Renderer.DispatchEventAsync(UInt64 eventHandlerId, EventFieldInfo fieldInfo, EventArgs eventArgs, Boolean waitForQuiescence)

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