It sounds like you've got EXCLUSIVE set ON.

>We are testing a multi users program written in VFP.
>When selecting 3 different records (or same record)of a particular file SIMULTANEOUSLY (at the same top) through 3 different workstations, 2 of the 3 workstations receive:
>
>PROGRAM ERROR: DATABASE OBJECT IS BEING USED BY SOMEONE ELSE.
>
>We would appreciate suggestions to find a solution.
>
>Thanks in advance.
>
>Marc Dardenne