Solution for OAF Error "oracle.apps.fnd.framework.OAException: Application: ICX, Message Name: Could not find the specified responsibility."

ERROR
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oracle.apps.fnd.framework.OAException: Application: ICX, Message Name: Could not find the specified responsibility.
at oracle.apps.fnd.framework.CreateIcxSession.getEncryptedSessId(Unknown Source)
at oracle.apps.fnd.framework.CreateIcxSession.createSession(Unknown Source)

STEPS TO REPRODUCE
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The issue can be reproduced at will with the following steps:
1. Setting Up JDeveloper Development Environment
2. Follow the JDeveloper guide to do the 'Hello World' demo
3. Test demo

The issue occurs because the user didn't assign responsibility 'FWK_TBX_TUTORIAL' and 'FWK_TOOLBOX_TUTORIAL_LABS' to applications user.

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Solution:
To implement the solution, please execute the following steps:

1. From the responsibility: System Administrator.

2. Navigate to Security > User > Define.

3. Query up the applications user using 'Ctrl + F11'.

4. Assign responsibility OA Framework ToolBox Tutorial (responsibility key:'FWK_TBX_TUTORIAL' and 'FWK_TOOLBOX_TUTORIAL_LABS') to the user.

5. Save the changes and retest the issue.