How to fix the Oracle error ORA-36964: (XSRELTBL09) workspace object is not a valid level relation.?

In this post, you’ll learn more about the Oracle ErrorORA-36964: (XSRELTBL09) workspace object is not a valid level relation. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-36964: (XSRELTBL09) workspace object is not a valid level relation.

Reason for the Error ORA-36964: (XSRELTBL09) workspace object is not a valid level relation.

The specified level relation was not consistent with the parentage hierarchy.

How to fix the Error ORA-36964: (XSRELTBL09) workspace object is not a valid level relation. ?

You can fix this error in Oracle by following the below steps

Fix one or both of the relations involved so that all parents are at a higher level than their children.