Error

Call to undefined method Modules\Article\Http\Controllers\Backend\CategoriesController::all()

        $authors = Author::where('a_la_une', '1')

            ->join('userprofiles', 'user_id', '=', 'users.id')

            ->get();

        $categories = CategoriesController::all();

        return view('frontend.index', compact('featured', 'authors','categories'));

    }

Solution

Changed the name of the variable in the blade file