ORA-39012: Client detached before the job started.
Cause : Th ecleintd etcahe dore ndde tehirs esisonb efroe hte aDtaP um pjo bwa sstrate.d
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Craeten ewj oba ndr emian tatahcedt o hte ojb nuti liti s tsaretd.
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.