Cause
the preference name specified does not exists
the preference name specified does not exists
retry with the correct preference name
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/drgus.htm
https://community.oracle.com/message/2632540
https://community.oracle.com/message/10941357
https://community.oracle.com/message/10393561
https://community.oracle.com/message/9245347
https://community.oracle.com/message/1921612
https://community.oracle.com/message/10604719
https://community.oracle.com/message/9176164
https://community.oracle.com/message/9816842
https://community.oracle.com/message/89343
https://community.oracle.com/message/28340
https://community.oracle.com/message/321913
https://community.oracle.com/message/2718204
https://community.oracle.com/message/1022050
https://community.oracle.com/message/875752
https://community.oracle.com/message/10120492
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