How to fix the Oracle error ORA-30334: illegal dimension level name?

In this post, you’ll learn more about the Oracle ErrorORA-30334: illegal dimension level name with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-30334: illegal dimension level name

Reason for the Error ORA-30334: illegal dimension level name

A level name in a dimension ddl statement did not conform to SQL identifier rules.

How to fix the Error ORA-30334: illegal dimension level name ?

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

Use a level name that begins with a letter, consists of only letters, digits, and underscores and contains no more than 30 characters.