Cause
An attempt was made to make a reverse index with some index columns marked DESC.
An attempt was made to make a reverse index with some index columns marked DESC.
Disable constraints defined on tables referenced in the ALTER TABLE EXCHANGE PARTITION|SUBPARTITION statement and retry the statement.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
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