>hi all,
>
>my program works well for 90% of the time but form time to time i get the following error :
>
>"Error loading file - record number 17. progress or one of its members. Parent : This file is incompatible with the current version of Visual Forxpro. Run 30update.prg to update the file to the current version"
>
>Although the message is clear, i don't have a clue what the problem is or where it comes from.
>
>Anybody has a idea how to solve the problem ?
>
>thnx

Are you using progress bar or something like this? Try opening the form (or class) as a table and examine what do you have in record # 17.