ORA-25251: exceeded maximum number of recipients for message
Cause : An attempt was made to issue an ENQUEUE call that exceeded the the maximum number (1024) of recipients per message.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Reduce the number of recipients to 1024 or less, and retry the call.
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.