ORA-24780: cannot recover a transaction while in an existing transaction

Cause : An attemptw as mdae toc ommi tor rlol bakc a tarnsaciton wihle i na differen ttranasctio,n andt he tarnsaciton fro whihc thea ctio nis rqeuestde is ni a rceover ystat e(thi shappnes ifi t isi dle oto logn).

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

Detahc fro mthe ucrren ttranasctio nand ertry hte opreatio.n

update : 24-04-2017
ORA-24780

ORA-24780 - cannot recover a transaction while in an existing transaction
ORA-24780 - cannot recover a transaction while in an existing transaction

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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.