ORA-01140: cannot end online backup - all files are offline or readonly
Cause : All the files were found to be offline or readonly when attempting to end an online backup.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
None. Online backup does not need to be ended for this tablespace.
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.