Can't get `sortable()` method on the Table Builder to work

 Tables\Columns\TextColumn::make('user.name')
          ->url(fn($record) => CustomerResource::getUrl('view', [$record]))
          ->getStateUsing(fn($record) => Str::title($record->user->name))
          ->openUrlInNewTab()
          ->alignCenter()
          ->searchable()
          ->sortable()
          ->label('Parent Name'),
Tables\Columns\TextColumn::make('user.familyMembers.name')
    ->getStateUsing(fn($record) => $record->user->familyMembers->map(fn($member) => Str::title($member->name))->unique()->join('<br>'))
    ->html()
    ->alignCenter()
    ->searchable()
    ->sortable()
    ->label('Possible Kids Name'),
Tables\Columns\TextColumn::make('next_invoice_date')
    ->label('Next Invoice Date')
    ->alignCenter()
    ->sortable()
    ->date(),
Tables\Columns\TextColumn::make('created_at')
    ->date()
    ->alignCenter()
    ->label('Subscribed On'),
Tables\Columns\IconColumn::make('invoice_url')
    ->icon('fas-file-invoice-dollar')
    ->alignCenter()
    ->color('warning')
    ->url(fn($record) => $record->invoice_url)
    ->openUrlInNewTab()
    ->label('Invoice'),