ORA-33456: (ESDREAD08) Discarding compiled code for workspace object because number is a(n) string, which string did not expect to find in a compiled program.
Cause : The type of the specified object has changed.
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.