message: Deleted dotnet folder and fixed an empty error message
diff: @@ -247,6 +247,7 @@ extern "C"
  }
  catch (const std::out_of_range)
  { // todo: handle error message
  + Nrt_setErrMsgIsArgumentOutOfRangeInternal();
  return NRT_FAILURE_ARGUMENT_OUT_OF_RANGE;
  }
  