Cause
An internal error occurred.
An internal error occurred.
s: If running on a primary database in recovery mode, you may perform a point-in-time recovery to an earlier time. Otherwise, call Oracle Support Services. See the Administrator's Guide for details.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/3419414
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