getResource method does not exist

class Detail extends Page
{
    use InteractsWithRecord;

    protected static ?string $navigationIcon = 'heroicon-o-clipboard-document-list';

    protected static string $view = 'filament.app.pages.location.detail';

    protected static ?string $title = 'Details';

    protected static ?string $slug = 'location/{record}/detail';

    protected static bool $shouldRegisterNavigation = false;

    public function mount(int | string $record): void
    {
        $this->record = $this->resolveRecord($record);
    }

    ...
}

class Detail extends Page
{
    use InteractsWithRecord;

    protected static ?string $navigationIcon = 'heroicon-o-clipboard-document-list';

    protected static string $view = 'filament.app.pages.location.detail';

    protected static ?string $title = 'Details';

    protected static ?string $slug = 'location/{record}/detail';

    protected static bool $shouldRegisterNavigation = false;

    public function mount(int | string $record): void
    {
        $this->record = $this->resolveRecord($record);
    }

    ...
}