Seaquel
SQL Server error code

SQL Server error 3415

SQL Server raises error 3415 at severity 16, which marks a problem with the query or data that you can correct.

Database '%.*ls' cannot be upgraded because it is read-only, has read-only files or the user does not have permissions to modify some of the files. Make the database or files writeable, and rerun recovery.
Msg3415
Severity16
Group3000–3999

Source: Database Engine events and errors