Cannot alter the session parallel DML state within a transaction

Solution ID:ORA-12841

Type: Oracle

Cause

Transaction in progress

Actions

Commit or rollback transaction and then re-execute

Try the following links for this error:

http://docs.oracle.com/cd/E16655_01/server.121/e26079/e12700.htm

https://community.oracle.com/message/4241990

https://community.oracle.com/message/1074549

https://community.oracle.com/message/1228286

https://community.oracle.com/message/58697

https://community.oracle.com/message/10002348

https://community.oracle.com/message/2314195

https://community.oracle.com/message/1672651

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