BugFix: Check if particle exists instead of using NULL-Pointer and...

Particle/ParticleTable.cc

@@ -75,7 +75,8 @@ bool ParticleTable::clone(std::string newName, std::string oldName)
   
   Particle* oldParticle = particle(oldName);
   if (0 == oldParticle) {
-    Warning << "ParticleTable: cannot clone, " << oldName << " does not exist!" << endmsg;
+    Alert << "ParticleTable: cannot clone, " << oldName << " does not exist!" << endmsg;
+    exit(1);
     return false;
   }
 

PwaUtils/AbsChannelEnv.cc

@@ -144,11 +144,15 @@ void AbsChannelEnv::setup(ChannelID id){
         isDecParticle=true;
         continue;
       }
+      if (GlobalEnv::instance()->particleTable()->particle(tmpName) == NULL){
+	Alert << "Particle " << tmpName << " does not exist in ParticleTable. Please clone an existing particle or add it to the table.";
+	exit(1);
+      }
       if(isDecParticle){
-	 daughterParticles.push_back(GlobalEnv::instance()->particleTable()->particle(tmpName));
+	daughterParticles.push_back(GlobalEnv::instance()->particleTable()->particle(tmpName));
       }
       else{
-	 motherParticle = GlobalEnv::instance()->particleTable()->particle(tmpName);
+	motherParticle = GlobalEnv::instance()->particleTable()->particle(tmpName);
       }
     }
     std::shared_ptr<AbsDecay> tmpDec;