Seaquel
SQL Server error code

SQL Server error 3055

SQL Server raises error 3055 at severity 16, which marks a problem with the query or data that you can correct.

Backup destination "%.*ls" supports a FILESTREAM filegroup. This filegroup cannot be used as a backup destination. Rerun the BACKUP statement with a valid backup destination.
Msg3055
Severity16
Group3000–3999

Source: Database Engine events and errors