Error with PcdSearchControls

Hi Experts.

I am having problem with PcdSearchControls . Can you please help me out .

I am trying to use the code in the link bellow

http://scn.sap.com/community/netweaver-portal/blog/2012/07/20/retrieve-portal-objects-from-pcd-in-73-version

But the code has some problems in NWDS 7.3 SP07 and my portal is 7.3 version.

PcdSearchControls pcs = new PcdSearchControls();

The error I have got is pasted bellow

500 Internal Server Error SAP NetWeaver Application Server

Error: Application error occurred during the request processing.

SAP Technology Troubleshooting Guide

Details:

WebApplicationException log ID is [C000AC1C70E306B90000000000710098].

Log details shows

Cannot process an HTTP request to servlet [prt] in [irj] web application.
[EXCEPTION]
java.lang.NoClassDefFoundError: com/sapportals/portal/pcd/gl/PcdSearchControls

Please help

Regards

Maruti