Fields Repeater, can't be deleted

Forms\Components\Section::make('Port')
    ->description('ระบุ Port Numer หรือชื่อ Port Name ที่ต้องการเชื่อต่อ')
    ->schema([
        Forms\Components\Repeater::make('ports')
            ->label('')
            ->schema([
                Forms\Components\Select::make('port_type')
                    ->label('Port Type (โดยทั่วไปจะเป็น TCP)')
                    ->options([
                        'tcp' => 'TPC',
                        'udp' => 'UDP',
                    ])
                    ->live()
                    ->default('tcp')
                    ->native(false)
                    ->required(),
                Forms\Components\TextInput::make('port_number')
                    ->label('Port Namber')
                    ->id('port_number')
                    ->maxLength(255)
                    ->required(fn (Get $get): string => !$get('port_name')),
                Forms\Components\TextInput::make('port_name')
                    ->label('Port Name')
                    ->maxLength(255)
                    ->required(fn (Get $get): string => !$get('port_number')),
            ])
            ->itemLabel(fn (array $state): ?string => strtoupper($state['port_type'] ?? ''))
            ->reorderableWithDragAndDrop(false)
            ->addActionLabel('Add Port')
            ->cloneable()
            ->minItems(1)
            ->columns(3),
    ])
    ->collapsible()
    ->compact()