[1] WriteErrorException: Error loading JSON schema: Unable to find type [NJsonSchema.JSonSchema4].. First error: Exception calling "FromJsonAsync" with "1" argument(s): "The type initializer for 'NJsonSchema.JsonSchema' threw an exception.".
  at <ScriptBlock>, D:\a\PowerShell-FeatureFlags\PowerShell-FeatureFlags\FeatureFlags.psm1:92
  at <ScriptBlock>, D:\a\PowerShell-FeatureFlags\PowerShell-FeatureFlags\test\FeatureFlags.Tests.ps1:13
Tests completed in 4.84s
Tests Passed: 0, Failed: 41, Skipped: 0 NotRun: 0

C:\Users\andreas\source\github\PowerShell-FeatureFlags\FeatureFlags.psm1 :
System.Management.Automation.MethodInvocationException: Exception calling "FromJsonAsync" with "1" argument(s): "The
type initializer for 'NJsonSchema.JsonSchema' threw an exception." ---> System.TypeInitializationException: The type
initializer for 'NJsonSchema.JsonSchema' threw an exception. ---> System.InvalidCastException: Unable to cast object
of type 'System.Object[]' to type 'System.Collections.Generic.IEnumerable`1[System.Attribute]'.
   at CallSite.Target(Closure , CallSite , Object )
   at System.Dynamic.UpdateDelegates.UpdateAndExecute1[T0,TRet](CallSite site, T0 arg0)
   at Namotion.Reflection.NullableFlagsSource.GetNullableFlags(Object provider)
   at Namotion.Reflection.NullableFlagsSource.Create(Type type, Assembly assembly)
   at Namotion.Reflection.ContextualPropertyInfo..ctor(PropertyInfo propertyInfo, Int32& nullableFlagsIndex, Byte[]
nullableFlags)
   at Namotion.Reflection.ContextualType.<get_Properties>b__43_0(PropertyInfo property)
   at System.Linq.Enumerable.WhereSelectArrayIterator`2.MoveNext()
   at System.Linq.Buffer`1..ctor(IEnumerable`1 source)
   at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)
   at Namotion.Reflection.ContextualType.get_Properties()
   at NJsonSchema.JsonSchema..cctor()
   --- End of inner exception stack trace ---
   at NJsonSchema.JsonSchema.FromJsonAsync(String data, String documentPath, CancellationToken cancellationToken)
   at CallSite.Target(Closure , CallSite , Type , Object )
   --- End of inner exception stack trace ---
   at System.Management.Automation.ExceptionHandlingOps.CheckActionPreference(FunctionContext funcContext, Exception
exception)
   at System.Management.Automation.Interpreter.ActionCallInstruction`2.Run(InterpretedFrame frame)
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame)
   at System.Management.Automation.Interpreter.EnterTryCatchFinallyInstruction.Run(InterpretedFrame frame)
At C:\Users\andreas\source\github\PowerShell-FeatureFlags\tools\run-tests.ps1:12 char:11
+ $Module = Import-Module $PSScriptRoot\..\${ModuleName}.psd1 -Force -P ...
+           ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [Write-Error], WriteErrorException
    + FullyQualifiedErrorId : Microsoft.PowerShell.Commands.WriteErrorException,FeatureFlags.psm1