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.
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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