Cause
Either using Oracle Express edition or supplied Knowledge Base was required but was not installed.
Either using Oracle Express edition or supplied Knowledge Base was required but was not installed.
If using Oracle Express edition then upgrade to Oracle Enterprise or Oracle Standard edition. Otherwise see post-installation tasks section of the Database Installation Guide for instructions to install supplied Knowledge Base.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/drgus.htm
https://community.oracle.com/message/1811676
https://community.oracle.com/message/3864187
https://community.oracle.com/message/3308410
https://community.oracle.com/message/1148349
https://community.oracle.com/message/10071517
https://community.oracle.com/message/2069666
https://community.oracle.com/message/2069663
https://community.oracle.com/message/2063952
https://community.oracle.com/message/10239689
https://community.oracle.com/message/9503790
https://community.oracle.com/message/9170417
https://community.oracle.com/message/4575081
https://community.oracle.com/message/4572925
https://community.oracle.com/message/4512324
https://community.oracle.com/message/3793813
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