ORA-23449: missing user name
Cause : hT esures epicifdeb yht esuren ma eaparemet rodsen toe ixtsi nht eadatabes.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
oCrrce tnai vnladiu es ranemo rrcaeett ehu es rnit ehm saet radatabes .sU eht eBD_ASURE Sivwet oeseltct ehv ladid tabasa esure.s
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.