Thats seems to get it working.

pssdw

No difference.

I ran TeeRecompile "as Administrator", here are the options and result...

Same results.

pssdw

I get a compiler error when I try to install TeeChart VCL with Source manually into Delphi 10.4 Community, since TeeRecompile can not do this edition automatically. When I try to complie TeePro927.bpl the complier reports back: [dcc32 Error] TeCanvas.pas(5948): E2010 Incompatible types: 'VCLTee.TeCa...

Also, I have tried to use without the Gallery with this test... pssdw uses Classes, SysUtils, Forms, Controls, ExtCtrls, Graphics, Dialogs, StdCtrls, TeEngine, Chart, TeeGDIPlus, Series, TeeProcs; type { TForm1 } TForm1 = class(TForm) Chart1: TChart; Series1: TLineSeries; procedure FormShow(Sender: ...

That got rid of the sort error, but things are odd. If you choose something from the series gallery the associated code is not generated and if you do too much in the gallery it crashes. Here are some screenshots... Screenshot 2022-12-19 231759.png The resultant code: Screenshot 2022-12-19 231827.pn...

When doing so I can get a little further but upon choosing an item from the gallery it stops with...
dwpss

I can install it manually in the IDE but upon use I get this error when trying to use the TeeChart Editing dialog box... dwpss

Got past those errors, but it seems there is some pathing needed still...I have sent you the log output file since it is very long.

dwpss

Fails on installation of Lazarus: =============================================== TeeChart Pro Compilation started: 12/14/2022 12:53:22 PM Lazarus 2.2.4.0 Cannot recompile Lazarus package: TeeChart.pas Free Pascal Compiler version 3.2.2 [2022/09/24] for x86_64 Copyright (c) 1993-2021 by Florian Klae...