Sage 50 Accounts contains security measures, which prevent users from copying data files from one company to another.
You see the message if a user or third-party software copies or replaces Sage data files.
If the error appears when you're using Remote Data Access at a remote site. Check if the error appears at the main site, then select the relevant option below.
▼Message appears at the main site Follow the steps in the Data corruption section below.