message: added protection for division by zero in Pb-Pb
diff: @@ -445,7 +445,7 @@ void AliHFJetFinder::SetJetSubstructureVariables(AliHFJet& hfjet, const std::vec
  }
  Nsd++;
  }
  -
  + if (Pt_jet > 0.0){
  k0_temp=(1.0/Pt_jet)*z*(1-z)*Pt_mother*TMath::Power(r/fJetRadius,0.1);
  k1_temp=(1.0/Pt_jet)*z*(1-z)*Pt_mother*TMath::Power(r/fJetRadius,1);
  k2_temp=(1.0/Pt_jet)*z*(1-z)*Pt_mother*TMath::Power(r/fJetRadius,2);
  @@ -470,6 +470,7 @@ void AliHFJetFinder::SetJetSubstructureVariables(AliHFJet& hfjet, const std::vec
  ZkT = z;
  RkT = r;
  }
  + }
  daughter_jet=parent_subjet_1;
  }
  