Usually this message appears when there is a filter on table having variables in the filter expression. If variables are not recognized anymore, then filter is cleared.

>Hi everybody,
>
>We're getting a wait window "Filter cleared" while running some process. We searched all projects and could not find where this message is coming from. I have a suspicion it's coming from VFP itself, not from our code.
>
>Anyone have ever seen this message? Any ideas what may be causing it?
>
>Thanks a lot in advance.