How to fix the Oracle error RMAN-10023: RPC attempted to unrecognized package?

In this post, you’ll learn more about the Oracle ErrorRMAN-10023: RPC attempted to unrecognized package with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

RMAN-10023: RPC attempted to unrecognized package

Reason for the Error RMAN-10023: RPC attempted to unrecognized package

The Recovery Manager internal RPC router received a package name that it could not understand.

How to fix the Error RMAN-10023: RPC attempted to unrecognized package ?

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

This is an internal error that should not be issued. Contact Oracle Support.