ORA-36970: (XSRELTBL12) workspace object must be a self-relation.
Cause : The specified source relation was not a self-relation.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Specify a self-relation as the source.
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.