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Field Service Technician Portal Error: 'You have encountered an unexpected error' Received When Clicking SR Number From Dashboard (Doc ID 1387132.1)

Last updated on MARCH 30, 2017

Applies to:

Oracle Field Service - Version 12.1.3 to 12.1.3 [Release 12.1]
Information in this document applies to any platform.


When attempting to click on the SR number from Field Service Engineer Portal (FSTP) Dashboard, the following error occurs.

You have encountered an unexpected error. Please contact the System Administrator for assistance.
Click here for exception details.

The detail error message is:

oracle.apps.fnd.framework.OAException: oracle.jbo.JboException: JBO-29000: Unexpected exception caught: java.lang.NoClassDefFoundError, msg=oracle/apps/cs/csz/subject/server/CategorySegmentVOImpl
at oracle.apps.fnd.framework.OAException.wrapperException(
at oracle.apps.fnd.framework.OAException.wrapperException(
at _OAErrorPage._jspService(
at com.orionserver.http.OrionHttpJspPage.service(

The issue can be reproduced at will with the following steps:
1. Log in FSTP
2. Click on any SR number from Dashboard


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