How to fix the Oracle error DRG-12241: column name string is not a valid section name?

In this post, you’ll learn more about the Oracle ErrorDRG-12241: column name string is not a valid section name with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DRG-12241: column name string is not a valid section name

Reason for the Error DRG-12241: column name string is not a valid section name

Cause: an order by or filter by column cannot be implicitly mapped to an SDATA section because the name is not valid as a section name

How to fix the Error DRG-12241: column name string is not a valid section name ?

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

Action: adjust section group to map column name to a valid section name