Cause
is that the database crashed the last time it was shut down.
is that the database crashed the last time it was shut down.
Ensure that all threads are closed before retrying the operation. Start and open the database to perform crash recovery, then shut down with the NORMAL or IMMEDIATE options to close it cleanly. Finally, try running the utility again.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/nidus.htm
https://community.oracle.com/message/2600790
https://community.oracle.com/message/2598743
https://community.oracle.com/message/9869104
https://community.oracle.com/message/9564602
https://community.oracle.com/message/10515228
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