Seaquel
SQL Server error code

SQL Server error 3007

SQL Server raises error 3007 at severity 16, which marks a problem with the query or data that you can correct.

The backup of the file or filegroup "%ls" is not permitted because it is not online. Container state: "%ls" (%d). Restore status: %d. BACKUP can be performed by using the FILEGROUP or FILE clauses to restrict the selection to include only online data.
Msg3007
Severity16
Group3000–3999

Source: Database Engine events and errors