Cause
User issued ALTER TABLE statement attempting to modify data type and/or length of a column used to partition the table named in ALTER TABLE statement, which is illegal
User issued ALTER TABLE statement attempting to modify data type and/or length of a column used to partition the table named in ALTER TABLE statement, which is illegal
ensure that a sum of PCTUSED and PCTFREE for the partition does not exceed 100
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/10596580
https://community.oracle.com/message/1456150
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