Seaquel
SQL Server error code

SQL Server error 9953

SQL Server raises error 9953 at severity 16, which marks a problem with the query or data that you can correct.

The path '%.*ls' has invalid attributes. It needs to be a directory. It must not be hidden, read-only, or on a removable drive.
Msg9953
Severity16
Group9000–9999

Source: Database Engine events and errors