SQL Server error code
SQL Server error 8974
SQL Server raises error 8974 at severity 16, which marks a problem with the query or data that you can correct.
Table error: Object ID %d, index ID %d, partition ID %I64d, alloc unit ID %I64d (type %.*ls). The off-row data node at page %S_PGID, slot %d, text ID %I64d is pointed to by page %S_PGID, slot %d and by page %S_PGID, slot %d.
| Msg | 8974 |
|---|---|
| Name | DBCC3_OFF_ROW_DATA_NODE_HAS_TWO_PARENTS |
| Severity | 16 |
| Group | 8000–8999 |
What it means
An off-row data node has two data or index records that list it as a child node. A node can have only one parent node.