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