Hesap Bilgileri hatası

procedure HesapGuncelleAction;
var
  clRest: TclRest;
  jsonBody: String;
begin
  if g_KullaniciId <= 0 then 
  begin 
    ShowMessage('Oturum hatası.'); 
    Exit; 
  end;

  try
    clRest := TclRest.Create;
    try
      clRest.BaseURL := g_ApiUrl + '/api/kullanici-guncelle/' + IntToStr(g_KullaniciId);
      clRest.Method := rmPut;
      clRest.Accept := 'application/json';
      
      jsonBody := '{' +
        '"ad_soyad": "' + EdtAdSoyad.Text + '", ' +
        '"tc_no": "' + EdtTC.Text + '", ' +
        '"telefon": "' + EdtTel.Text + '", ' +
        '"eposta": "' + EdtEmail.Text + '"' +
      '}';
      
      clRest.AddBody(jsonBody, 'application/json');
      clRest.Execute;
      
      if (clRest.Response <> '') and (Pos('başarıyla', clRest.Response) > 0) then
      begin
        g_AdSoyad := EdtAdSoyad.Text; 
        ShowMessage('Güncellendi.');
        FormHesap.Close;
      end
      else
        ShowMessage('Hata: ' + clRest.Response);
    finally
      clRest.Free; 
    end;
  except
    ShowMessage('Bağlantı başarısız: ' + LastExceptionMessage);
  end;
end;

procedure HesapBilgileriAc; 
var 
  lytCenterContainer: TclLayout; 
  btn: TclProButton; 
begin 
  FormHesap := TclForm.Create(Self); 
  FormHesap.LytTopBar.Visible := False; 
  FormHesap.SetFormColor('#F4F6F8', '', clGNone); 
  AltSayfaBaslikEkle(FormHesap, 'Hesap bilgileri'); lytCenterContainer := FormHesap.AddNewLayout(FormHesap, 'lytCenterContainer'); lytCenterContainer.Align := alCenter; lytCenterContainer.Width := MainForm.clWidth - 50; lytCenterContainer.Height := 450; 
  EditGrupEkle(FormHesap, lytCenterContainer, EdtAdSoyad, 'Ad', 'Ad Soyad', g_AdSoyad, 45); 
  EditGrupEkle(FormHesap, lytCenterContainer, EdtTC, 'TC', 'TC Kimlik No', g_Tc, 45); 
  EditGrupEkle(FormHesap, lytCenterContainer, EdtEmail, 'Mail', 'E-posta', g_Email, 45); 
  EditGrupEkle(FormHesap, lytCenterContainer, EdtTel, 'Tel', 'Telefon', g_Telefon, 45); 
  btn := FormHesap.AddNewProButton(lytCenterContainer, 'BtnKaydet', 'Değişiklikleri Kaydet'); btn.Align := alTop; 
  btn.Height := 50; 
  btn.Width := 200; 
  btn.Margins.Top := 40; 
  btn.Margins.Left := 40; 
  btn.Margins.Right := 40; 
  btn.clProSettings.BackgroundColor := clAlphaColor.clHexToColor('#FFBF00'); 
  btn.clProSettings.FontColor := clAlphaColor.clHexToColor('#1A2636');
  btn.clProSettings.FontSize := 14;
  btn.clProSettings.TextSettings.Font.Style := [fsBold];
  btn.clProSettings.RoundHeight := 25; 
  btn.clProSettings.RoundWidth := 25;
  btn.clProSettings.BorderColor := clAlphaColor.clHexToColor('#E5B100');
  btn.clProSettings.BorderWidth := 1;
  btn.SetclProSettings(btn.clProSettings); 
  FormHesap.AddNewEvent(btn, tbeOnClick, 'HesapGuncelleAction'); 
  FormHesap.Run; 
end;

Hocam Hesap Bilgileri secenegine tıkladığımda ekranda Invalid class typecast hatası alıyorum neden olabilir

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