ctrlpanel/app/Http/Middleware/VerifyCsrfToken.php

<?php

namespace App\Http\Middleware;

use App\Helpers\ExtensionHelper;
use Illuminate\Foundation\Http\Middleware\VerifyCsrfToken as Middleware;
use Illuminate\Contracts\Encryption\Encrypter;
use Illuminate\Contracts\Foundation\Application;

class VerifyCsrfToken extends Middleware
{
    /**
     * The URIs that should be excluded from CSRF verification.
     *
     * @var array
     */
    protected $except = [];

    public function __construct(Application $app, Encrypter $encrypter)
    {
        $this->app = $app;
        $this->encrypter = $encrypter;
        $this->except = ExtensionHelper::getAllCsrfIgnoredRoutes();
    }
}