message: Update to check only once
diff: @@ -15,12 +15,10 @@ public:
  inline virtual void SetNanoAODHeader(const AliAODEvent * event , AliNanoAODHeader * head , TString varListHeader ) {
  AliNanoAODSimpleSetter simpleSetter;
  simpleSetter.SetNanoAODHeader(event,head,varListHeader);
  - if (fIndex < 0)
  + if (fIndex == -1)
  fIndex = varListHeader.Contains("cstINELgt0") ? head->GetVarIndex("cstINELgt0") : -2;
  if (fIndex >= 0)
  head->SetVar(fIndex, AliMultSelectionTask::IsINELgtZERO(event) ? 1 : 0);
  - else
  - AliFatal("Can't Init cstINELgt0, Remove this setter from the setter list");
  }
  virtual void SetNanoAODTrack (const AliAODTrack * aodTrack, AliNanoAODTrack * spTrack) {
  // This function will not be used in this class.
  