ORA-04020: deadlock detected while trying to lock object stringstringstringstringstring

Cause : While trying to lock a library object, a deadlock is detected.

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

Retry the operation later.

update : 23-07-2017
ORA-04020

ORA-04020 - deadlock detected while trying to lock object stringstringstringstringstring
ORA-04020 - deadlock detected while trying to lock object stringstringstringstringstring

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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.