How to fix the Oracle error ORA-12714: invalid national character set specified?

In this post, you’ll learn more about the Oracle ErrorORA-12714: invalid national character set specified with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-12714: invalid national character set specified

Reason for the Error ORA-12714: invalid national character set specified

Only UTF8 and AL16UTF16 are allowed to be used as the national character set

How to fix the Error ORA-12714: invalid national character set specified ?

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

Ensure that the specified national character set is valid