message: PWGPP-292- Check pointers before deleting
diff: @@ -509,8 +509,8 @@ void AliADReconstructor::FillESD(TTree* digitsTree, TTree* /*clustersTree*/,AliE
  fESDADfriend->SetWidth(pmNumber, digit->Width());
  if (fCorrectForSaturation ) {
  - f_Int0->Delete(); // TF1 does not implement TObject::Clear()
  - f_Int1->Delete();
  + if (f_Int0) f_Int0->Delete(); // TF1 does not implement TObject::Clear()
  + if (f_Int1) f_Int1->Delete();
  }
  } // end of loop over digits
  } // end of loop over events in digits tree
  