Add information on class and function to fatal output

reco/detectors/trd/CbmTrdHitProducer.cxx

@@ -160,8 +160,8 @@ InitStatus CbmTrdHitProducer::Init() {
   Int_t nrModules = fDigiPar->GetNrOfModules();
   Int_t nrNodes   = moduleMap.size();
   if (nrModules != nrNodes)
-    LOG(fatal)
-      << "Geometry and parameter files have different number of modules.";
+    LOG(fatal) << "CbmTrdHitProducer::Init() - Geometry and parameter files "
+                  "have different number of modules.";
   for (Int_t loop = 0; loop < nrModules; ++loop) {
     Int_t address = fDigiPar->GetModuleId(loop);
     std::map<Int_t, TGeoPhysicalNode*>::iterator it = moduleMap.find(address);