misc_pterodactyl-panel/app/Http/Controllers/Admin/BaseController.php

<?php

namespace Pterodactyl\Http\Controllers\Admin;

use Illuminate\View\View;
use Pterodactyl\Http\Controllers\Controller;

class BaseController extends Controller
{
    /**
     * Return the admin index view.
     *
     * @return \Illuminate\View\View
     */
    public function index(): View
    {
        return view('templates/base.core');
    }
}