fHeader = new AliGenCocktailEventHeader("Beamgas Header");
const TObjArray *partArray = gAlice->GetMCApp()->Particles();
- AliStack *stack = gAlice->GetRunLoader()->Stack();
+ AliStack *stack = AliRunLoader::Instance()->Stack();
for (Int_t l = 0; l < numbg; l++) {
Vertex();