Seaquel
SQL Server error code

SQL Server error 8995

SQL Server raises error 8995 at severity 16, which marks a problem with the query or data that you can correct.

System table '%.*ls' (object ID %d, index ID %d) is in filegroup %d. All system tables must be in filegroup %d.
Msg8995
Severity16
Group8000–8999

Source: Database Engine events and errors