Merge pull request cms-sw#49801 from fabiocos/fc-fixsimtrackm-20260113

Simulation: prevent exception if trackId larger than 200M

Author: cmsbuild

SimG4CMS/Forward/src/MtdSD.cc

@@ -111,6 +111,10 @@ int MtdSD::getTrackID(const G4Track* aTrack) {
     if (!trkInfo->storeTrack()) {
       theID = trkInfo->idLastStoredAncestor();
     }
+    if (theID >= static_cast<int>(PSimHit::k_tidOffset)) {
+      edm::LogError("MtdSim") << " SimTrack ID " << theID << " exceeds maximum allowed by PSimHit identifier"
+                              << PSimHit::k_tidOffset << " unreliable MTD hit type";
+    }
     if (rname == "FastTimerRegionSensBTL") {
       if (trkInfo->isInTrkFromBackscattering()) {
         theID = PSimHit::addTrackIdOffset(theID, k_idFromCaloOffset);

SimG4Core/Notification/src/SimTrackManager.cc

@@ -176,7 +176,7 @@ void SimTrackManager::reallyStoreTracks() {
     }
 
     if (id >= static_cast<int>(PSimHit::k_tidOffset)) {
-      throw cms::Exception("SimTrackManager::reallyStoreTracks")
+      edm::LogWarning("SimTrackManager::reallyStoreTracks")
           << " SimTrack ID " << id << " exceeds maximum allowed by PSimHit identifier" << PSimHit::k_tidOffset;
     }
     TmpSimTrack* g4simtrack =