ORA-13196: failed to compute supercell for element string.string.string
Cause : The system was unable to compute the minimum bounding HHCODE or supercell for the geometry.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Another error might accompany this error. Correct the accompanying error. Also, validate the geometry for correctness.
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.