Hi Farshad,
after each upgrade uniGUI in Delphi XE3 I must rewrite header in the file uniChart.pas follows:
interface
uses
{$IF CompilerVersion > 22}
VCLTee.Chart, VCLTee.TeEngine, VCLTee.TeeProcs, VCLTee.Series,
{$ELSE}
Chart, TeEngine, TeeProcs, Series,
{$IFEND}
Classes, SysUtils, UniPanel, uniGUIRTTI, uniGUIConst,
UniGUIClasses, ExtPascal, Ext, ExtChart, ExtData, UniGUIApplication, UniExtUtils,
Controls, UniGUITypes, UniGUIFont, Windows;
For compatibility with the new delphi I recommend this form.