message: Protection for null ptr
diff: @@ -182,6 +182,7 @@ Double_t AliAnalysisTaskRhoTransDev::GetPerpPtDensity(AliEmcalContainer* cont, A
  void AliAnalysisTaskRhoTransDev::CalculateRho()
  {
  AliEmcalJet* leadingJet = fLeadingJet["Signal"];
  + if (!leadingJet) return;
  Double_t perpPtDensity = 0;
  