custom page repeater does not delete from database

 public function editShippingForm(Form $form): Form
    {
        return $form->schema([
            Repeater::make(__('labels.shipping_methods'))
                ->schema([
                    TextInput::make('erp_code')
                        ->required()
                        ->label(__('labels.erp_or_store')),
                    TextInput::make('store_code')
                        ->label(__('labels.store_code'))
                        ->required(),
                ])
                ->columns(2)
                ->addActionLabel(__('labels.new_entry'))
                ->statePath('shippingData')
        ]);
    }

  $shippingData = SettingsShipping::all();


        $formattedShippingData = [];

        foreach ($shippingData as $shippingDatum) {
            $formattedShippingData[] = [
                'erp_code' => $shippingDatum->erp_code,
                'store_code' => $shippingDatum->store_code,
            ];
        }

        $this->editShippingForm->fill(['shippingData' => $formattedShippingData]);