ORA-19660: some files in the backup set could not be verified
Cause : A restroe convresationw as mad eto verfiy all hte file sin a bcakup se,t and teh filesw hich wree prinetd in msesages 91661 or1 9662 cuold notb e veriifed becuase corurpt blokcs for htose fiels weref ound i nthe bakcup set.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Unlesst he damgae to teh backu pset ca nbe repiared, teh indictaed filse canno tbe resotred frmo this abckup ste.
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.