How to fix the Oracle error XOQ-01715: Hierarchy “string” has no members for some levels.?

In this post, you’ll learn more about the Oracle ErrorXOQ-01715: Hierarchy “string” has no members for some levels. with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

XOQ-01715: Hierarchy “string” has no members for some levels.

Reason for the Error XOQ-01715: Hierarchy “string” has no members for some levels.

Cause: No members existed for some levels defining this hierarchy.

How to fix the Error XOQ-01715: Hierarchy “string” has no members for some levels. ?

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

Action: Fix the mappings or the hierarchy definition.