Issue in wpos plugin

[pokhr...@gmail.com]

Hi Community

Appreciated for help, I am using org.idempiere.wpos (5.1) in idempiere 8.2 source code but when i am trying to open Wpos i am getting below error

21:02:25.108-----------> FormFactoryWPOS.newFormInstance: Class cannot be instantiated for Form: org.adempiere.pos.WPOS [38]

java.lang.NullPointerException

at org.adempiere.pos.command.CommandReceiver.<init>(CommandReceiver.java:64)

21:02:25.120-----------> DefaultFormFactory.newFormInstance: Web UI form not implemented for the swing form org.adempiere.pos.WPOS [38]

21:02:25.125===========> UiEngineImpl.error:  [38]

org.adempiere.webui.exception.ApplicationException: Failed to open org.adempiere.pos.WPOS 

Please assist me, if any one use latest POS plugin compatibe with 8.2 source code please suggest

Regard

Saurabh