ORA-23409: could not find an unused refresh group number
Cause : 100 0conescutvie rferes hgropu nubmers ,as edfinde byt he grrouspeq unmbe,r weer aleradyu sedb y rwos i nsysr.gropu$.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Altre th eseqeuncen umbre tob e wtihina leagl uunsedr ang eandd estory unneedde rerfeshg rousp.
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.