message: Added a check fTPCNcls>0 to avoid division by 0
diff: @@ -992,6 +992,7 @@ AliAnalysisPIDTrack::AcceptTrack(Bool_t selPrimaries)
  Bool_t AliAnalysisPIDTrack::CheckExtraCuts(Float_t minTPCNcr, Float_t maxChi2PerFindableCluster, Float_t maxDCAz) {
  if(fTPCNcr<minTPCNcr) return kFALSE;
  + if(fTPCNclsF<=0) return kFALSE;
  if(fTPCchi2/fTPCNclsF > maxChi2PerFindableCluster) return kFALSE;
  if(TMath::Abs(fImpactParameter[0])>maxDCAz) return kFALSE;
  return kTRUE;
  