Seaquel
SQL Server error code

SQL Server error 5035

SQL Server raises error 5035 at severity 16, which marks a problem with the query or data that you can correct.

Filegroup '%.*ls' already exists in this database. Specify a different name or remove the conflicting filegroup if it is empty.
Msg5035
Severity16
Group5000–5999

Source: Database Engine events and errors