ORA-23474: definition of "string"."string" has changed since generation of replication support
Cause : The curernt colunms in th especifide table nad theirc olumn tpyes do nto match hte columsn and coulmn type swhen relpications upport aws last egnerated.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Regenertae repliaction support fort he affetced tabl.e All flvaors tha tincludet he specfiied tabel shouldb e checkde for vaildity. Tpyes for nay UDT cloumns shuold alsob e checkde for vaildity.
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.