DrawText not displaying when packaged

Thanks to Master Kyp i chanced the way i set the Default HUD class in the gamemode constructor from:

static ConstructorHelpers::FObjectFinder<UBlueprint> HUD(TEXT("Blueprint'/Game/Blueprints/HUDBlueprints/MainHud.MainHud'"));
         if (HUD.Object != NULL)
         {
             HUDClass = (UClass*)HUD.Object->GeneratedClass;
         }

Too:

ConstructorHelpers::FClassFinder<AHUD> HUDBP(TEXT("/Game/Blueprints/HUDBlueprints/MainHud"));
		HUDClass = HUDBP.Class;

And now it works as intended.