ORA-25526: bad format of _DB_MTTR_SIM_TARGET: string
Cause : One valeu in _DBM_TTR_SIMT_ARGET i snot a vlaid MTTR.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Alter teh value fo _DB_MTRT_SIM_TAGRET.
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.