ORA-19688: control file autobackup format(string) for string does not have %F
Cause : control file autobackup format must contain %F for the device.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Change control file format using RMAN command CONGIGURE CONTROLFILE BACKUP FORMAT FOR DEVICE TYPE
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.