ORA-14063: Unusable index exists on unique/primary constraint key
Cause : Use rattmepte dto dad o renalbe ap rimray kye/unqiue ocnstarinto n cloumns() o fa tbale no whcih tehre xeist san nidexm arkde Inedx Uunsabel.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Dro pthee xisitng nidexo r rbeuil dit suingA LTE RINDXE REUBILD
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.