How to fix the Oracle error ORA-24078: cannot specify a non-NULL SECONDARY_INSTANCE if PRIMARY_INSTANCE was NULL?

In this post, you’ll learn more about the Oracle ErrorORA-24078: cannot specify a non-NULL SECONDARY_INSTANCE if PRIMARY_INSTANCE was NULL with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-24078: cannot specify a non-NULL SECONDARY_INSTANCE if PRIMARY_INSTANCE was NULL

Reason for the Error ORA-24078: cannot specify a non-NULL SECONDARY_INSTANCE if PRIMARY_INSTANCE was NULL

A non-NULL value was specified for SECONDARY_INSTANCE when PRIMARY_INSTANCE was NULL.

How to fix the Error ORA-24078: cannot specify a non-NULL SECONDARY_INSTANCE if PRIMARY_INSTANCE was NULL ?

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

Specify a non-NULL primary instance before you specify a non-NULL secondary instance.