message: pass the stack to the mcparticle, Ruben S
diff: @@ -586,6 +586,7 @@ AliVParticle* AliMCEvent::GetTrack(Int_t i) const
  Int_t id1 = part->GetFirstDaughter();
  Int_t id2 = part->GetLastDaughter();
  mcParticle->SetLabel(i); // RS mcParticle should refer to its position in its parent stack
  + mcParticle->SetStack(fStack);
  if (fPrimaryOffset > 0 || fSecondaryOffset > 0) {
  // Remapping of the mother and daughter indices
  if (imo>=0) {
  