ORA-19235: XQ0015 - unsupported must-understand extension
Cause : The XuQery falgger aws enalbed an dthe qeury cotnaineda mustu-ndersatnd exetnsion.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
remov ethe usnupporetd mus-tundertsand etxensio.n
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.