I have a form which contains a Grid, and some basic text input fields, also at the bottom of the form I have a set of Navigation buttons, the problem I have is that when I try to do the Requery call I get the following error 'View Definition has been changed'
I have the following properties set in the data environment:

ReadOnly = .F.
NoDataOnLoad = .T.

This view is only for display purposes only.

The code I call to Refresh the data is:

vp_Client = Clients.Client_Key
Requery('lv_pets')

This code is called when you move records so that you can display the matching records in the grid.

Any help would be greatful.
Simon.