A callback was made on a garbage collected delegate about femyou HOT 4 OPEN

 [Test]
 public void LogWhenVariableCannotBeSet()
 {
     var spyCallback = new SpyCallback();
     using var model = Model.Load(TestTools.GetFmuPath("BouncingBall.fmu"));
     using var instance = model.CreateCoSimulationInstance("my name", spyCallback);
     try
     {
         GC.Collect();  // Force garbage collection here to reproduce bug
         instance.WriteReal((model.Variables["v_min"], 1));
     }

 class Callbacks : IDisposable
 {
     private FMI2.fmi2CallbackFunctions functions;
     public Callbacks(Instance instance, ICallbacks cb)
     {
         Instance = instance;
         CB = cb;
         handle = GCHandle.Alloc(this);
         functions = new FMI2.fmi2CallbackFunctions
         {
             logger = LoggerCallback,
             allocateMemory = Marshalling.AllocateMemory,
             freeMemory = Marshalling.FreeMemory,
             stepFinished = StepFinishedCallback,
             componentEnvironment = GCHandle.ToIntPtr(handle)
         };