You may need to recover a copy of your file and see if you get the same issue in your recovered copy. Is this a file that is shared over a network?
Yes. This database is shared on a network.
Do you always get this for a specific record?
If you open a copy of the file that is not hosted over the network, do you get this error?
Recovering the file still sounds like a good idea here as your file may be damaged.
This only happens on one specific record in the file.
The database is hosted on a Mac server and the users are Windows. I'll try opening the file on the Mac server and see what happens.
I'll also try recovering from backup. Thanks.