Cause
ALTER TABLE|INDEX MODIFY SUBPARTITION contained descriptions of more than one subpartition to be modified
ALTER TABLE|INDEX MODIFY SUBPARTITION contained descriptions of more than one subpartition to be modified
Ensure that MODIFY DEFAULT ATTRIBUTES is the sole operation specified in ALTER TABLE or ALTER INDEX statement; operations other than those dealing with partitions, default attributes of partitioned tables/indices or specifying that a table be renamed (ALTER TABLE RENAME) may be combined at will
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
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