SQL Server error code
SQL Server error 1857
SQL Server raises error 1857 at severity 16, which marks a problem with the query or data that you can correct.
Cannot attach file '%.*ls' as database '%.*ls' because this file is already in use for database '%.*ls'
| Msg | 1857 |
|---|---|
| Severity | 16 |
| Group | 1000–1999 |