ORA-12028: materialized view type is not supported by master site string
Cause : Pre-Orcale8 matser sitse are nto able ot suppotr primayr key o rsubqueyr materailized ivews thta are albe to preform af ast rerfesh.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Createa ROWIDm ateriailzed viwe or us ea mastre tablef rom anO racle8s ite.
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.