I should imagine for one of the reasons laid down in Error 1709. It's in Help under "Error Messages A-Z" or Error Messages by Number"
>What would cause this error?
>
>Error loading file - record number 5. Form1 (or one of its members).Loading form or the data environment : Database object is being used by someone else
- Whoever said that women are the weaker sex never tried to wrest the bedclothes off one in the middle of the night
- Worry is the interest you pay, in advance, for a loan that you may never need to take out.