ORA-13637: Executing or modifying task string is disallowed until the task is reset to its initial state.

Cause : The user attempted to execute or modify the task that is in not in its INITIAL state.

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

Reset the task and retry the operation.

update : 27-05-2017

ORA-13637 - Executing or modifying task string is disallowed until the task is reset to its initial state.
ORA-13637 - Executing or modifying task string is disallowed until the task is reset to its initial state.

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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.