How to fix the Oracle error ORA-25453: invalid iterator: string?

In this post, you’ll learn more about the Oracle ErrorORA-25453: invalid iterator: string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-25453: invalid iterator: string

Reason for the Error ORA-25453: invalid iterator: string

An attempt to get rule hits or to close an iterator was made, which failed because an invalid iterator was passed in.

How to fix the Error ORA-25453: invalid iterator: string ?

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

Check the iterator, and try again with a valid iterator.