Ошибка в Orchid Platform, админка Laravel

Метод save_category(), не выводит $category_name, вместо этого получаю ошибку Server error The application could not process your request. Кто работал с данной админкой и знает в чем дело?

<?php

namespace App\Orchid\Screens;

use Orchid\Screen\Screen;
use App\Category;
use Illuminate\Http\Request;
use Orchid\Screen\Fields\Input;
use Orchid\Screen\Fields\Quill;
use Orchid\Screen\Fields\Relation;
use Orchid\Screen\Fields\TextArea;
use Orchid\Screen\Fields\Upload;
use Orchid\Screen\Layout;
use Orchid\Screen\Actions\Button;
use Orchid\Support\Facades\Alert;
use App\Orchid\Layouts\CategoriesLayout;

class CategoryScreen extends Screen
{
    /**
     * Display header name.
     *
     * @var string
     */
    public $name = 'CategoryScreen';

    /**
     * Display header description.
     *
     * @var string
     */
    public $description = 'CategoryScreen';


    /**
     * Query data.
     *
     * @return array
     */
    public function query($id): array
    {
        return [
            'category_name' => Category::find($id)->title,
            'category_id' => Category::find($id)->id,
            'category_description' => Category::find($id)->description,
        ];
    }

    /**
     * Button commands.
     *
     * @return Action[]
     */
    public function commandBar(): array
    {
        return [
            Button::make('Сохранить')->method('save_category'),
        ];
    }

    /**
     * Views.
     *
     * @return Layout[]
     */
    public function layout(): array
    {
        return [
            Layout::view('admin/category_admin')
        ];
    }


    public function save_category($category_name)
    {
        echo $category_name;
    }
}