Program: 30578
Project: 30578
Buggy source:
public void Init(FMLInitializationEvent event){
  ItemMultiMaterial.instance.unduplicate();
  if (AEConfig.instance.isFeatureEnabled(AEFeature.CustomRecipes))   recipeHandler.parseRecipes(new ConfigLoader(AppEng.instance.getConfigPath()),"String_Node_Str");
 else   recipeHandler.parseRecipes(new JarLoader("String_Node_Str"),"String_Node_Str");
  IPartHelper ph=AEApi.instance().partHelper();
  ph.registerNewLayer("String_Node_Str","String_Node_Str");
  ph.registerNewLayer("String_Node_Str","String_Node_Str");
  ph.registerNewLayer("String_Node_Str","String_Node_Str");
  if (AppEng.instance.isIntegrationEnabled(IntegrationType.IC2)) {
    ph.registerNewLayer("String_Node_Str","String_Node_Str");
    ph.registerNewLayer("String_Node_Str","String_Node_Str");
  }
  if (AppEng.instance.isIntegrationEnabled(IntegrationType.MJ5)) {
    ph.registerNewLayer("String_Node_Str","String_Node_Str");
    ph.registerNewLayer("String_Node_Str","String_Node_Str");
  }
  if (AppEng.instance.isIntegrationEnabled(IntegrationType.MJ6))   ph.registerNewLayer("String_Node_Str","String_Node_Str");
  if (AppEng.instance.isIntegrationEnabled(IntegrationType.RF))   ph.registerNewLayer("String_Node_Str","String_Node_Str");
  FMLCommonHandler.instance().bus().register(TickHandler.instance);
  MinecraftForge.EVENT_BUS.register(TickHandler.instance);
  PartPlacement pp=new PartPlacement();
  MinecraftForge.EVENT_BUS.register(pp);
  FMLCommonHandler.instance().bus().register(pp);
  IGridCacheRegistry gcr=AEApi.instance().registries().gridCache();
  gcr.registerGridCache(ITickManager.class,TickManagerCache.class);
  gcr.registerGridCache(IEnergyGrid.class,EnergyGridCache.class);
  gcr.registerGridCache(IPathingGrid.class,PathGridCache.class);
  gcr.registerGridCache(IStorageGrid.class,GridStorageCache.class);
  gcr.registerGridCache(P2PCache.class,P2PCache.class);
  gcr.registerGridCache(ISpatialCache.class,SpatialPylonCache.class);
  gcr.registerGridCache(ISecurityGrid.class,SecurityCache.class);
  gcr.registerGridCache(ICraftingGrid.class,CraftingGridCache.class);
  AEApi.instance().registries().externalStorage().addExternalStorageInterface(new AEExternalHandler());
  AEApi.instance().registries().cell().addCellHandler(new BasicCellHandler());
  AEApi.instance().registries().cell().addCellHandler(new CreativeCellHandler());
  AEApi.instance().registries().matterCannon().registerAmmo(AEApi.instance().materials().materialMatterBall.stack(1),32.0);
  ((P2PTunnelRegistry)AEApi.instance().registries().p2pTunnel()).configure();
  recipeHandler.injectRecipes();
  if (AEConfig.instance.isFeatureEnabled(AEFeature.enableDisassemblyCrafting))   CraftingManager.getInstance().getRecipeList().add(new DisassembleRecipe());
  if (AEConfig.instance.isFeatureEnabled(AEFeature.enableFacadeCrafting))   CraftingManager.getInstance().getRecipeList().add(new FacadeRecipe());
}

Fixed version (ground truth):
public void Init(FMLInitializationEvent event){
  ItemMultiMaterial.instance.unduplicate();
  if (AEConfig.instance.isFeatureEnabled(AEFeature.CustomRecipes))   recipeHandler.parseRecipes(new ConfigLoader(AppEng.instance.getConfigPath()),"String_Node_Str");
 else   recipeHandler.parseRecipes(new JarLoader("String_Node_Str"),"String_Node_Str");
  IPartHelper ph=AEApi.instance().partHelper();
  ph.registerNewLayer("String_Node_Str","String_Node_Str");
  ph.registerNewLayer("String_Node_Str","String_Node_Str");
  ph.registerNewLayer("String_Node_Str","String_Node_Str");
  if (AppEng.instance.isIntegrationEnabled(IntegrationType.IC2)) {
    ph.registerNewLayer("String_Node_Str","String_Node_Str");
    ph.registerNewLayer("String_Node_Str","String_Node_Str");
  }
  if (AppEng.instance.isIntegrationEnabled(IntegrationType.MJ5)) {
    ph.registerNewLayer("String_Node_Str","String_Node_Str");
    ph.registerNewLayer("String_Node_Str","String_Node_Str");
  }
  if (AppEng.instance.isIntegrationEnabled(IntegrationType.MJ6))   ph.registerNewLayer("String_Node_Str","String_Node_Str");
  if (AppEng.instance.isIntegrationEnabled(IntegrationType.RF))   ph.registerNewLayer("String_Node_Str","String_Node_Str");
  FMLCommonHandler.instance().bus().register(TickHandler.instance);
  MinecraftForge.EVENT_BUS.register(TickHandler.instance);
  PartPlacement pp=new PartPlacement();
  MinecraftForge.EVENT_BUS.register(pp);
  FMLCommonHandler.instance().bus().register(pp);
  IGridCacheRegistry gcr=AEApi.instance().registries().gridCache();
  gcr.registerGridCache(ITickManager.class,TickManagerCache.class);
  gcr.registerGridCache(IEnergyGrid.class,EnergyGridCache.class);
  gcr.registerGridCache(IPathingGrid.class,PathGridCache.class);
  gcr.registerGridCache(IStorageGrid.class,GridStorageCache.class);
  gcr.registerGridCache(P2PCache.class,P2PCache.class);
  gcr.registerGridCache(ISpatialCache.class,SpatialPylonCache.class);
  gcr.registerGridCache(ISecurityGrid.class,SecurityCache.class);
  gcr.registerGridCache(ICraftingGrid.class,CraftingGridCache.class);
  AEApi.instance().registries().externalStorage().addExternalStorageInterface(new AEExternalHandler());
  AEApi.instance().registries().cell().addCellHandler(new BasicCellHandler());
  AEApi.instance().registries().cell().addCellHandler(new CreativeCellHandler());
  AEApi.instance().registries().matterCannon().registerAmmo(AEApi.instance().materials().materialMatterBall.stack(1),32.0);
  recipeHandler.injectRecipes();
  if (AEConfig.instance.isFeatureEnabled(AEFeature.enableDisassemblyCrafting))   CraftingManager.getInstance().getRecipeList().add(new DisassembleRecipe());
  if (AEConfig.instance.isFeatureEnabled(AEFeature.enableFacadeCrafting))   CraftingManager.getInstance().getRecipeList().add(new FacadeRecipe());
}