How to fix the Oracle error ORA-26512: error pushing transaction to def$error?

In this post, you’ll learn more about the Oracle ErrorORA-26512: error pushing transaction to def$error with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-26512: error pushing transaction to def$error

Reason for the Error ORA-26512: error pushing transaction to def$error

An unexpected error occurred while sending an def$error rpc to the master site

How to fix the Error ORA-26512: error pushing transaction to def$error ?

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

Verify that the DBMS_DEFER package is valid and executable by the RepAPI client. Contact the local or master site administrator, if necessary.