Laravel по-русски

<script type="text/javascript">
        $('#form').on('submit', function(e) {
            e.preventDefault();
            var form = $("#form");
            var formData = {
                'meta_title': $('input[name=meta_title]').val(),
                'meta_description': $('input[name=meta_description]').val(),
                'meta_keywords': $('input[name=meta_keywords]').val(),
                'name'      : $('input[name=name]').val(),
                'slug'      : $('input[name=slug]').val()
            };
            $.ajax({
                url     : form.attr("action"),
                type    : form.attr("method"),
                data    : formData,
                dataType: 'json',
                headers: {
                    'X-CSRF-TOKEN': $('meta[name="_token"]').attr('content')
                },
                error :function( errors ) {
                    output = "<div class='alert alert-danger'><ul>";
                    $.each(errors.responseJSON, function(index, error){
                        output += "<li>" + error + "</li>";
                    });
                    output += "</ul></div>";
                    $('#append').html(output);
                    console.log(errors);
                },
                success: function(data){
                    output = "<div class='alert alert-success'><ul>";
                    $.each(data.responseJSON, function(index, success){
                        output += "<li>" + success + "</li>";
                    });
                    output += "</ul></div>";
                    $('#append').html(output);
                    console.log(data);
                    window.location = '{{ url('user') }}';
                }
            })
        })
    </script>

 public function store(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'name' => 'required|unique:catalogs',
            'slug' => 'required'
        ]);
        if($validator->fails())
        {
            return response()->json($validator->messages(), 422);
        }
        User::create($request->all());
        return response()->json(['success' => 'Все успешно добавлено. Вы будите перенаправлены!'], 422);
    }

jquery.min.js:4 POST http://test.app/user 422 (Unprocessable Entity)send @ jquery.min.js:4ajax @ jquery.min.js:4(anonymous function) @ create:217dispatch @ jquery.min.js:3r.handle @ jquery.min.js:3
create:232 Object {readyState: 4, responseText: "{"success":"\u0412\u0441\u0435 \u0443\u0441\u043f\…043f\u0440\u0430\u0432\u043b\u0435\u043d\u044b!"}", responseJSON: Object, status: 422, statusText: "Unprocessable Entity"}

Catalog: id | name (hasMany -> category)
Category: id | catalog_id | product_id | name (belongsTo -> catalog, hasMany -> product)
Product: id | brand_id | category_id | name ...(belongsTo -> brand, belongsTo -> category)
Brand: id | name (hasMany -> product)

public function boot()
    {
        view()->composer('путь до вьюхи',function($view) {
            $view->with('catalog', Catalog::groupBy('id')->get());
        });
    }