ORA-22131: hexadecimal string length is zero

Cause : The given hexadecimal string length must be greater than zero.

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

Specify a length greater than zero.

update : 27-04-2017

ORA-22131 - hexadecimal string length is zero
ORA-22131 - hexadecimal string length is zero

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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.