ORA-23425: invalid materialized view identifier string
Cause : The argument provided to dbms_mview.purge_mview_from_log is an invalid materialized view identifer or it does not identify an Oracle 8 fast refreshable materialized view or the materialized view has been already purged.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
If the materialized view is an Oracle 8 fast refreshable materialized view then provide purge_mview_from_log with its valid materialized view identifier.
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.