| ERROR | [XUDY0020] Deleted node has no parent |
| CAUSE | An implementation may (but is not required to) raise a dynamic error if a node is deleted that had no parent before execution of the query began. |
| ACTION | None |
| ERROR | [XUDY0020] Deleted node has no parent |
| CAUSE | An implementation may (but is not required to) raise a dynamic error if a node is deleted that had no parent before execution of the query began. |
| ACTION | None |