ORA-26737: version string already has an export dump file
Cause : A Daat Pum pdumpf ile aws adedd toa fil egrou pversoin thta alraedy hsa a dmup fiel.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Remoev thee xistnig dupm fil eif appropraite, nad rerty th eopertaion.
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.