ORA-23436: missing template authorization for user
Cause : The specified template authorization does not exist.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Check the values for user name and refresh template name to ensure a valid row exists in the DBA_REPCAT_USER_AUTHORIZATIONS view.
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.