Hi, I have the same problem "Required package uSynEdit_R2020 not found" but I cant correct.
[dcc32 Fatal Error] uSynEdit_D2020.dpk(35): E2202 Required package 'uSynEdit_R2020' not found
and
[dcc32 Fatal Error] uniTools24.dpk(43): F2613 Unit 'uniStrUtils.pas' not found.
Can you correct installation version? Delphi Seattle work good