SiliconExpert Starter BOM Health not working

I am using Windchill PDMLink Release 11.1 and Datecode with CPS M020 CPS29

When trying to use the SiliconExpert in our development environment we get the following error straight away.

SiliconExpert Starter BOM Health

Windchill Error
Contact your administrator for assistance. Information for their reference follows.

Request Id: 4eij9dj5;li63pttv;5736;3qzxgu;112812
Request URI: /Windchill/netmarkets/jsp/com/wincomplm/wex/siliconexpert/starter/siliconExpertBomHealthCheckContent.jsp
Query String: oid=VR:wt.part.WTPart:4742629
Status Code: 500
Exception: javax.el.ELException: Error reading [partsList] on type [com.wincomplm.wex.siliconexpert.starter.impl.beans.SEDataBean]