Cause
The ADR subsystem has not been initialized. The requested operation cannot be performed.
The ADR subsystem has not been initialized. The requested operation cannot be performed.
Check the usage of the call to the ADR services. The ADR sub-system must be initialized for the call to work.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/diaus.htm
https://community.oracle.com/message/9988112
https://community.oracle.com/message/9984069
https://community.oracle.com/message/4510498
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