message: Safety check for monopoles with charge 0
diff: @@ -2411,6 +2411,9 @@ void AliTPCv2::StepManager()
  if(TMath::Abs(charge)<=0. && pdg!=kPdgMonopole) return; // take only charged particles (except magnetic monopoles)
  + if(pdg==kPdgMonopole && TMath::Abs(charge)<=0.) // need to take care of monopoles with 0 charge (safety for later used formulae)
  + charge = 0.00001;
  +
  // check the sensitive volume
  id = mc->CurrentVolID(copy); // vol ID and copy number (starts from 1!)
  