message: if operator does not support the data type, don't add the operator onto the variable PLEASE
diff: @@ -216,9 +216,18 @@ void VariableBase::SetStepSelection(const Box<size_t> &boxSteps)
  size_t VariableBase::AddOperation(Operator &op,
  const Params &parameters) noexcept
  +{
  + if (op.IsDataTypeValid(m_Type))
  {
  m_Operations.push_back(
  Operation{&op, helper::LowerCaseParams(parameters), Params()});
  + }
  + else
  + {
  + std::cerr << "ADIOS2 ERROR: Operator " << op.m_Type
  + << " does not support data type " << m_Type
  + << ", operator not added" << std::endl;
  + }
  return m_Operations.size() - 1;
  }
  