OA Home Page Error 'You have encountered and unexpected error' After Login, Prevents Forms From Launching

(Doc ID 1944978.1)

Last updated on OCTOBER 04, 2016

Applies to:

Oracle Applications Technology Stack - Version 12.2.4 to 12.2.4 [Release 12.2]
Information in this document applies to any platform.

Symptoms

After upgrading to 12.2.4 (from 12.2.3) some users are getting the follow error on the OA home page after login and are then unable to launch forms. After refreshing the page, the error disappears and forms can be launched.

This does not happen to all users, but for users that are impacted it happens every time they login.

'Error Page - You have encountered and unexpected error. Please contact the System Administrator for assistance'

  
This can be reproduced with the following steps:
1. Upgrade to 12.2.4 from 12.2.3.
2. Log into Applications and attempt to launch a form.


Cause

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