>Hello Viv;
>
>The CM.TXT file is the destinetion file.
>
>This error happen when all the file have been added.
>
>Thanks a lot for your time, I really apreciate it....
>
>Best regards;

Do you mean that the error actually happens in some statement *after* the code you show and not within the loop ?
If it happens *within* the loop then, by definition, all files would *not* have been added....