message: PWGGA/GammaConv: check if JJ weight is nan to capture error
diff: @@ -3940,6 +3940,7 @@ Bool_t AliConvEventCuts::IsJetJetMCEventAccepted(AliMCEvent *mcEvent, Double_t&
  weight = 1;
  }
  + if(isnan(weight)) weight = -1;
  if (weight == -1) return kFALSE;
  else return eventAccepted;
  @@ -4549,6 +4550,7 @@ Bool_t AliConvEventCuts::IsJetJetMCEventAccepted(AliMCEvent *mcEvent, Double_t&
  weight = 1;
  }
  + if(isnan(weight)) weight = -1;
  if (weight == -1) return kFALSE;
  else return eventAccepted;
  