Sophos Enterprise Console an unexpected error

Hello there,
Suddenly on my desktop this error appeared and I had to close my antivirus. Is for the first time when Sophos gives me errors and I don’t know how to solve them. Can anyone help me please to fix this one ? What is causing this ?
Thanks !

An unexpected error has occurred.
An unexpected error while retrieving information from the database.
Click the “Advanced” button for information which you can send to Sophos Technical Support. This information can be used to diagnose and fix the problem.
Close the console and open it again.
Advanced…
OK
