Seaquel
SQL Server error code

SQL Server error 3105

SQL Server raises error 3105 at severity 16, which marks a problem with the query or data that you can correct.

RESTORE cannot restore any more pages into file '%ls' because the maximum number of pages (%d) are already being restored. Either complete the restore sequence for the existing pages, or use RESTORE FILE to restore all pages in the file.
Msg3105
Severity16
Group3000–3999

Source: Database Engine events and errors