How to fix the Oracle error DRG-10561: index string is not valid for requested operation?

In this post, you’ll learn more about the Oracle ErrorDRG-10561: index string is not valid for requested operation with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

DRG-10561: index string is not valid for requested operation

Reason for the Error DRG-10561: index string is not valid for requested operation

Cause: The index was not in a valid state due to some prior error.

How to fix the Error DRG-10561: index string is not valid for requested operation ?

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

Action: Drop index and create index again.