Cause
On header read the file size indicated in the control file did not match the file size contained in the log file.
On header read the file size indicated in the control file did not match the file size contained in the log file.
Restore correct file or reset logs.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e0.htm
https://community.oracle.com/message/9805838
https://community.oracle.com/message/10621401
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