How to fix the Oracle error ORA-29327: unsupported client compatibility mode used when talking to the server?

In this post, you’ll learn more about the Oracle ErrorORA-29327: unsupported client compatibility mode used when talking to the server with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-29327: unsupported client compatibility mode used when talking to the server

Reason for the Error ORA-29327: unsupported client compatibility mode used when talking to the server

The client compatibility mode is higher than the version of the server.

How to fix the Error ORA-29327: unsupported client compatibility mode used when talking to the server ?

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

Using SET COMPATIBILITY command, specify the same release number as the server.