Cause
The control file was either recently created via CREATE CONTROLFILE or an incomplete recovery has been done. Thus, the datafiles in the control file and the ones in the data dictionary may not match.
The control file was either recently created via CREATE CONTROLFILE or an incomplete recovery has been done. Thus, the datafiles in the control file and the ones in the data dictionary may not match.
Open the database, then retry the operation.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
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