ORA-25455: evaluation error for rule set: string.string, evaluation context: string.string
Cause : An attempt to evaluate the specified rule set using the evaluation context specified failed due to some errors.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Check additional errors signalled to determine the problem.
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.