Cause
PARALLEL 0 or DEGREE 0 was specified in a CREATE TABLE, CLUSTER, or INDEX or in an ALTER TABLE or CLUSTER statement.
PARALLEL 0 or DEGREE 0 was specified in a CREATE TABLE, CLUSTER, or INDEX or in an ALTER TABLE or CLUSTER statement.
Specify a degree of parallelism greater than 0 or specify default parallelism using PARALLEL with no degree or using DEGREE DEFAULT within a PARALLEL clause.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/4274584
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