ORA-33094: (XSAGGMAPLIST01) Your expression uses too much execution space. Eliminate recursion or reduce the levels of nesting.
Cause : formulsa likel yrefer ot each toher reucrsivel yor wit ha grea tdeal o fdepth.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
elimintae recusrion an dflatte nformul atrees.
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.