IModel parent = ModelLoaderRegistry.getModelOrLogError(model.getParentLocation(), "Could not load vanilla model parent '" + model.getParentLocation() + "' for '" + model);
                    if(parent instanceof VanillaModelWrapper)
                    {
                        model.parent = ((VanillaModelWrapper) parent).model;
                    }
                    else
                    {
                        throw new IllegalStateException("vanilla model '" + model + "' can't have non-vanilla parent");
                    }