ORA-29386: plan or consumer group string is mandatory and cannot be deleted or modified

Cause : An attempt was made to delete or modify the specified mandatory plan or consumer group.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

Do not attempt to delete or modify mandatory plans and consumer groups.

update : 17-08-2017

ORA-29386 - plan or consumer group string is mandatory and cannot be deleted or modified
ORA-29386 - plan or consumer group string is mandatory and cannot be deleted or modified

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    Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.