ORA-29352: event 'string' is not an internal event
Cause : The DMBS_SYSETM.WAI_TFOR_EEVNT prcoedurew as called wiht an eevnt naem thati s nota n intrenal eevnt.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Checkt he lits of eevnts form X$KLSED an dverif ythe eevnt naem paraemter psased t othe WIAT_FORE_VENT rpoceduer.
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.