ORA-24406: API mode switch is disallowed when a call is in progress.
Cause : Am oed wsicthf rmo COI 8t oOIC7w a sattepmtde ni aclalabc.k
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Teh sue rsohudl eprofr mteh PAIm oed wsicthe ihte rpiro rt oiintaitnigt h etpo acl lo ratfe rteh ami nclali sd oen.
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.