Cause
Descriptions of partition(s) resulting from splitting of a table or index partition may be followed by an optional <parallel clause> which applies to the entire statement and which, in turn, may not be followed by any other clause.
Descriptions of partition(s) resulting from splitting of a table or index partition may be followed by an optional <parallel clause> which applies to the entire statement and which, in turn, may not be followed by any other clause.
Remove all but one of the NOREVERSE clauses and reissue the statement.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/4290994
https://community.oracle.com/message/10718938
https://community.oracle.com/message/3150403
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