[Lazarus] rxnew error

[??????? ???????]

When trying to install the rxnew.lpk package I'm getting the error:
>  
>     C:\lazarus\components\rxfpc\rxdbgrid.pas(65,15) Error: There is no 
> method in an ancestor class to be overridden: 
> "TRxColumnTitle.SetCaption(const AnsiString)"
> Can someone help with a fix?
>  
version of lazarus and fpc?
i'm use last version of lazarus from svn to compile rxfpc.