How to fix the Oracle error ORA-23344: constraint (string.string) does not exist?

In this post, you’ll learn more about the Oracle ErrorORA-23344: constraint (string.string) does not exist with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-23344: constraint (string.string) does not exist

Reason for the Error ORA-23344: constraint (string.string) does not exist

A null, misspelled or nonexistent constraint was specified when registering a uniqueness conflict.

How to fix the Error ORA-23344: constraint (string.string) does not exist ?

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

Register a named constraint for the specified table.