message: Hotfix: Check if File exists! If not TRD Response exists, the code crashes
diff: @@ -1780,6 +1780,7 @@ void AliPIDResponse::CheckTRDLikelihoodParameter(){
  Double_t params[4];
  Int_t centrality=0;
  Int_t iCharge=1;
  + if (fTRDPIDResponseObject){
  if(!fTRDPIDResponseObject->GetThresholdParameters(nTracklets, level, params,centrality,AliTRDPIDResponse::kLQ1D,iCharge)){
  AliInfo("No Params for TRD Likelihood Threshold Parameters Found for Charge Dependence");
  AliInfo("Using Parameters for both charges");
  @@ -1794,6 +1795,7 @@ void AliPIDResponse::CheckTRDLikelihoodParameter(){
  AliInfo(Form("TRD Likelihood Threshold Parameters for Run %d Found",fRun));
  }
  }
  +}
  //______________________________________________________________________________
  void AliPIDResponse::InitializeTRDResponse(){
  