Cause
number of columns in a subpartitioning column list exceeded the legal limit of 16
number of columns in a subpartitioning column list exceeded the legal limit of 16
Ensure that high bound of every subpartition (except for the last one) collates lower than that of a subsequent subpartition.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
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