message: The trigger classes bit should be on when they are not requested
diff: @@ -159,6 +159,8 @@ bool AliEventCuts::AcceptEvent(AliVEvent *ev) {
  /// (i.e. if trigger mask is not fired but we see the trigger class we want we enable the trigger bit)
  /// A special bit is set in this case
  TString classes = ev->GetFiredTriggerClasses();
  + if (fTriggerClasses.empty())
  + fFlag |= BIT(kTriggerClasses);
  for (const std::string& myClass : fTriggerClasses) {
  if (classes.Contains(myClass.data()) && !myClass.empty()) {
  fFlag |= BIT(kTrigger);
  