ORA-25257: consumer must be specified with a multi-consumer queue
Cause : An attempt was made to register on a multi-consumer queue without specifying a consumer in the subscription string.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Specify a consumer in the subscription string.
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.