SQL Server error code
SQL Server error 2533
SQL Server raises error 2533 at severity 16, which marks a problem with the query or data that you can correct.
Table error: page %S_PGID allocated to object ID %d, index ID %d, partition ID %I64d, alloc unit ID %I64d (type %.*ls) was not seen. The page may be invalid or may have an incorrect alloc unit ID in its header.
| Msg | 2533 |
|---|---|
| Name | DBCC_PAGE_WAS_NOT_SEEN |
| Severity | 16 |
| Group | 2000–2999 |
What it means
A page is allocated to the allocation unit ID, A_ID, but this allocation unit ID is not in the header of the page. The header has a different allocation unit ID. If the allocation unit ID in the header of the page is for a valid object, the page may have a matching MSSQLEngine_2534 error.