Update() in Laravel does not seem to be working

I’m working with Laravel 5.8 to develop my project and I have this table which shows some data from the DB:

@foreach(AppShopProductDelivery::all() as $delivery)
<tr>
    <td>{{ $delivery->name }}</td>
    <td>{{ $delivery->price }}</td>
    <td>
        <a href="{{ route('editFreeDelivery', $delivery->id) }}">Edit</a>
    </td>
</tr>
@endforeach

As you can see there’s a link named Edit for editing these data, so when someone clicks on that, this method runs:

Route::get('product-information-pages/free-deliveries/{productDelivery}/edit', 'ShopInformationPagesAdminController@editFreeDelivery')->name('editFreeDelivery')->middleware('permission:static-page-manage');

public function editFreeDelivery(ProductDelivery $productDelivery)
    {
        return view('admin.shop.deliveries.edit', compact('productDelivery'));
    }

I have also added this form for updating the data sent to the edit.blade.php:

<form action="{{ route('updateProductDelivery', [$productDelivery->id]) }}" method="POST" enctype="multipart/form-data">
    @csrf
    {{  @method_field('PATCH') }}
    <label for="title" class="control-label">Name</label>
    <input type="text" id="title-shop" name="name" disabled="disabled" class="form-control" value="{{ old('name' , $productDelivery->name) }}" autofocus>
    <label for="price" class="control-label">Price</label>
    <input type="text" id="price_shop" name="price" class="form-control" value="{{ old('price' , $productDelivery->price) }}" autofocus>
    <button class="btn btn-success" type="submit">Submit</button>
</form>

And here is the method for updating data:

Route::patch('product-information-pages/free-deliveries/{productDelivery}', 'ShopInformationPagesAdminController@updateProductDelivery')->name('updateProductDelivery')->middleware('permission:static-page-manage');

public function updateProductDelivery(Request $request, ProductDelivery $productDelivery)
    {
        try {
            $data = $request->validate([
                'name' => ['required'],
                'price' => ['required','integer'],
            ]);
            $productDelivery->update($data);
        } catch (Exception $e) {
            dd($e);
        }
        return redirect(route('product-information-pages.create'));
    }

But now the problem is, data does not be changed and updated somehow and shows this as dd($e):

So what is going wrong here? How can I fix this issue?

And finally here is the Model ProductDelivery.php:

class ProductDelivery extends Model
{
    protected $table = "product_deliveries";
}

And the table product_deliveries looks like this:

UPDATE #1:

Result of dd($productDelivery->toArray()); goes like this:

array:5 [▼
  "id" => 1
  "name" => "Free Delivery"
  "price" => 300000
  "created_at" => "2021-07-04 14:16:09"
  "updated_at" => "2021-07-04 14:16:09"
]

Answer

Your input is disabled and disabled fields are not submitted with the request.

<input type="text" id="title-shop" name="name" class="form-control" value="{{ old('name' , $productDelivery->name) }}" autofocus>

try using readonly="readonly" instead of disabled, or omit the field from the request entirely if it should not be changed.

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Answer