Error when I use searchable() in wizard step

 Wizard\Step::make('form')
                    ->icon('heroicon-o-pencil')
                    ->label('Formulario')
                    ->schema([
                        Forms\Components\TextInput::make('name')
                            ->label('Nombre')
                            ->required(),
                        Forms\Components\TextInput::make('last_name')
                            ->label('Apellidos')
                            ->required(),
                        Forms\Components\TextInput::make('dni')
                            ->label('DNI')
                            ->required(),
                        Forms\Components\Select::make('location')
                            ->label('Población')
                            ->required()                            
                            ->options(CpMunicipality::get()->take(20)->pluck('name', 'id'))
                            ->searchable()
                            ->columnSpan(3),
                        Forms\Components\TextInput::make('contact_name')
                            ->label('Nombre persona contacto')
                            ->required(),
                        Forms\Components\TextInput::make('contact_last_name')
                            ->label('Apellido persona contacto')
                            ->required(),
                        Forms\Components\TextInput::make('email')
                            ->label('Email')
                            ->required(),
                        Forms\Components\TextInput::make('phone')
                            ->label('Teléfono')
                            ->required(),
                    ]),