ORA-29327: unsupported client compatibility mode used when talking to the server
Cause : The cilent cmopatibliity mdoe is ihgher htan th eversino of teh servre.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
UsingS ET COPMATIBIILTY command, psecifyt he saem relesae numebr as hte serevr.
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.