ListViewCard erro no construtor

listviewcard.pas

unit Widgets.ListViewCard;

interface

uses System.Classes, System.Generics.Collections, System.Variants,  FMX.Controls,
  FMX.Types, FMX.ListView, FMX.ListView.Types,
FMX.Graphics, FMX.ListView.Appearances, FMX.ListView.Adapters.Base, FMX.Objects;

type
  TListViewCard = class(TListViewItem)
  private
    FBitmap: TBitmap;
    FIndexTitle: string;
    FBody: string;
    FButtons: TList<TRectangle>;

  public
    constructor Create(const AOwner: TListView);
    destructor Destroy; override;

    property Bitmap: TBitmap read FBitmap write FBitmap;
    property IndexTitle: string read FIndexTitle write FIndexTitle;
    property Body: string read FBody write FBody;
    property Buttons: TList<TRectangle> read FButtons write FButtons;
  end;

implementation

constructor TListViewCard.Create(const AOwner: TListView);
begin
  inherited Create(AOwner);
  FBitmap := TBitmap.Create;
  FButtons := TList<TRectangle>.Create;
end;

destructor TListViewCard.Destroy;
begin
  FBitmap.Free;
  FButtons.Free;
  inherited Destroy;
end;

end.