How to fix the Oracle error ORA-30338: illegal dimension hierachy name?

In this post, you’ll learn more about the Oracle ErrorORA-30338: illegal dimension hierachy name with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30338: illegal dimension hierachy name

Reason for the Error ORA-30338: illegal dimension hierachy name

An illegal dimension hierarchy name was specified in a dimension DDL statement.

How to fix the Error ORA-30338: illegal dimension hierachy name ?

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

Make sure the name begins with a letter, contains only letters, digits and underscore and contains no more than 30 characters. If you qualify the name with the owner name, make sure the owner name conforms with the requirements for an owner name on your system.