ORA-23538: cannot explicitly refresh a NEVER REFRESH materialized view ("string")
Cause : An attempt was made to explicitly refresh a NEVER REFRESH MV.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Do not perform this refresh operation or remove the MV(s) from the list.
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.