How to fix the Oracle error ORA-48168: the ADR sub-system is not initialized?

In this post, you’ll learn more about the Oracle ErrorORA-48168: the ADR sub-system is not initialized with the details on why you receive this error and the possible solution to fix it.

Oracle Error Description

ORA-48168: the ADR sub-system is not initialized

Reason for the Error ORA-48168: the ADR sub-system is not initialized

The ADR subsystem has not been initialized. The requested operation cannot be performed.

How to fix the Error ORA-48168: the ADR sub-system is not initialized ?

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

Check the usage of the call to the ADR services. The ADR sub-system must be initialized for the call to work.