ORA-02776: Value for request done signal exceeds maximum
Cause : The value sent to the package for use as the "request done" signal exceeds the maximum allowed by the operating system.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
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.