How to fix the Oracle error ORA-19710: unsupported character set string?

In this post, you’ll learn more about the Oracle ErrorORA-19710: unsupported character set string with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-19710: unsupported character set string

Reason for the Error ORA-19710: unsupported character set string

When the target database is not mounted, RMAN sets the target database character set to the value specified in the users environment.

How to fix the Error ORA-19710: unsupported character set string ?

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

Specify a valid character set in the environment. This is usually done via the NLS_LANG environment variable.