[Fatal]: 'this' type cannot be an interface itself

[Matt]

We've started seeing the above error on our build server.  It seems to have appeared out of nowhere.

xUnit.net Console Runner v2.4.1 (64-bit Desktop .NET 4.7.2, runtime: 4.0.30319.42000)

      Discovering: IRONSolutions.Core.Tests

      Discovered:  IRONSolutions.Core.Tests

      Starting:    IRONSolutions.Core.Tests

        [FATAL ERROR] System.ArgumentException

          System.ArgumentException : 'this' type cannot be an interface itself.

          Stack Trace:

               at System.RuntimeTypeHandle.VerifyInterfaceIsImplemented(RuntimeTypeHandle handle, RuntimeTypeHandle interfaceHandle)

               at System.RuntimeTypeHandle.VerifyInterfaceIsImplemented(RuntimeTypeHandle interfaceHandle)

               at System.RuntimeType.GetInterfaceMap(Type ifaceType)

               at Telerik.JustMock.Core.MockingUtil.IsImplementedBy(MethodInfo interfaceMethod, MethodBase implMethod)

               at Telerik.JustMock.Core.Context.HierarchicalTestFrameworkContextResolver.MatchTestClassDispose(MethodBase method, String[] testMethodAttributes)

               at System.Linq.Enumerable.Any[TSource](IEnumerable`1 source, Func`2 predicate)

               at System.Linq.Enumerable.WhereEnumerableIterator`1.MoveNext()

               at System.Linq.Enumerable.<DistinctIterator>d__64`1.MoveNext()

               at System.Linq.Buffer`1..ctor(IEnumerable`1 source)

               at System.Linq.Enumerable.ToArray[TSource](IEnumerable`1 source)

               at Telerik.JustMock.Core.Context.HierarchicalTestFrameworkContextResolver.GetTestMethod()

               at Telerik.JustMock.Core.Context.HierarchicalTestFrameworkContextResolver.FindTestMethod(Int32& repoIdx, RepositoryOperationsBase& entryOps)

               at Telerik.JustMock.Core.Context.HierarchicalTestFrameworkContextResolver.ResolveRepository(UnresolvedContextBehavior unresolvedContextBehavior)

               at Telerik.JustMock.Core.Context.MockingContext.ResolveRepository(UnresolvedContextBehavior unresolvedContextBehavior)

               at Telerik.JustMock.Core.MocksRepository.GetMockMixin(Object obj, Type objType)

               at Telerik.JustMock.Core.Invocation..ctor(Object instance, MethodBase method, Object[] args)

               at Telerik.JustMock.Core.ProfilerInterceptor.InterceptCall(RuntimeTypeHandle typeHandle, RuntimeMethodHandle methodHandle, Object[] data)

               at System.Environment.get_NewLine()

               at System.Exception.PrepForRemoting()

               at System.Runtime.Remoting.Proxies.RealProxy.HandleReturnMessage(IMessage reqMsg, IMessage retMsg)

               at System.Runtime.Remoting.Proxies.RealProxy.PrivateInvoke(MessageData& msgData, Int32 type)

        [FATAL ERROR] System.ArgumentException

          System.ArgumentException : 'this' type cannot be an interface itself.

Has anyone seen this error before and know of a fix?  Any help would be greatly appreciated.  We're using JustMock_2023_1_117_1_Dev.

[Martin]

Hi Matt,

Due to the Orthodox Easter holidays, we are working with reduced capacity until May 7th, 2024. Please be advised that our response times may be delayed. We will address your issue as soon as we return.

Regards,
Martin
Progress Telerik