Seaquel
SQL Server error code

SQL Server error 3052

SQL Server raises error 3052 at severity 16, which marks a problem with the query or data that you can correct.

BACKUP LOG was unable to log updates for for database '%ls'. Subsequent log backups will be required to advance the backup point from %S_LSN to %S_LSN after log space is made available for logging them.
Msg3052
Severity16
Group3000–3999

Source: Database Engine events and errors