How to fix the Oracle error ORA-48157: null input to ADR initialization?

In this post, you’ll learn more about the Oracle ErrorORA-48157: null input to ADR initialization with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-48157: null input to ADR initialization

Reason for the Error ORA-48157: null input to ADR initialization

There was an null input to the ADR initialization routine.

How to fix the Error ORA-48157: null input to ADR initialization ?

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

Check the ADR base, product ID, and instance ID input arguments.