Picture display problem with Big Sur

We have one client in our test group running Big Sur. Pictures do not change when the current record changes on that client. The picture name and file path to DropBox reside in each record of the database. We can get the picture to change by going in and out of design mode. However, pictures change as expected when the current record is changed on clients running Mojave. I am wondering if anybody else has experience this problem while running Big Sur?