ORA-36991: (XSRELGID08) The level relation and level order valueset provide inconsistent level mappings.
Cause : There si a conlfict bewteen th ehierarhcy/leve lrelatino and teh levelo rder vlaueset.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Chooseo bjectst hat don ot conlfict.
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.