Cause
Within the same transaction, an attempt was made to perform parallel modification operations on a table after it had been modified. This is not permitted.
Within the same transaction, an attempt was made to perform parallel modification operations on a table after it had been modified. This is not permitted.
Rewrite the transaction or break it up into two transactions: one containing the parallel modification and the second containing the initial modification operation.
Try the following links for this error:
http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm
https://community.oracle.com/message/3265413
https://community.oracle.com/message/2599227
https://community.oracle.com/message/1075337
https://community.oracle.com/message/1228286
https://community.oracle.com/message/11061897
https://community.oracle.com/message/2314195
https://community.oracle.com/message/1672651
https://community.oracle.com/message/10624472
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