How to fix the Oracle error ORA-30346: hierarchy name must be unique within a dimension?

In this post, you’ll learn more about the Oracle ErrorORA-30346: hierarchy name must be unique within a dimension with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30346: hierarchy name must be unique within a dimension

Reason for the Error ORA-30346: hierarchy name must be unique within a dimension

The same name was used for more than one hierarchy in a dimension.

How to fix the Error ORA-30346: hierarchy name must be unique within a dimension ?

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

Check the spelling of the hierarchy name.