How to fix the Oracle error TNS-00019: INTCTL: error initializing the national language interface?

In this post, you’ll learn more about the Oracle ErrorTNS-00019: INTCTL: error initializing the national language interface with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

TNS-00019: INTCTL: error initializing the national language interface

Reason for the Error TNS-00019: INTCTL: error initializing the national language interface

Cause: The message file could not be found.

How to fix the Error TNS-00019: INTCTL: error initializing the national language interface ?

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

Action: Make sure that the ORACLE environment is set and that the message file is in the correct place.