>Thanks for the suggestions
>It compiled now
>I had to remove the old application menu, with wich I'll deal now.
>But I get an strage error "Library file number2leters.fxp is invalid". I am using a prefectly valis prg in use in other pojects with no problems.
>
>Any help wit that?

It looks like you added prg file in the wrong section of the project (instead of the program section you added it in the API Libraries section). Remove it completely from the project, compile manually from the command window and try to re-add into the correct section of the project.