ORA-21520: database server driver not installed

Cause : sUrea ttmetpdet ocaecssa d tabasa eesvrret rhuohga nboejtcm-do eCO Ineivormnne tub tht eenecssra yrdviref ros puoptrni gushca ccse sott ehd tabasa eesvrrei son tnitslael drol niek dni.

Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts

hCce kfit ehd irev rocrrseopdnni gott ehd tabasa eesvrreh sab ee nnitslael/dilkndei nna dneeter dnit ehs reev rrdviret bael.

update : 26-04-2017
ORA-21520

ORA-21520 - database server driver not installed
ORA-21520 - database server driver not installed

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    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.