SQL Server error code
SQL Server error 2515
SQL Server raises error 2515 at severity 16, which marks a problem with the query or data that you can correct.
The page %S_PGID, object ID %d, index ID %d, partition ID %I64d, allocation unit ID %I64d (type %.*ls) has been modified, but is not marked as modified in the differential backup bitmap.
| Msg | 2515 |
|---|---|
| Name | DBCC_DIFF_MAP_OUT_OF_SYNC |
| Severity | 16 |
| Group | 2000–2999 |
What it means
The page specified has a log sequence number (LSN) that is higher than the differential reference LSN in the BackupManager of the database, or the differential base LSN in the file control block of the file, whichever is more recent. However, the page is not marked as changed in the differential backup bitmap.