Business connector Scheduling problem

2007-01-09 09:08:20 GMT+05:30 com.wm.app.b2b.server.UnknownServiceException: [B2BSERV.0026.9201] Unknown service: Wm.PartnerMgr.xtn.Sweeper:sweepTRX at com.wm.util.LocalizedException.(LocalizedException.java:83) at com.wm.app.b2b.server.ServerException.(ServerException.java:41) at com.wm.app.b2b.server.UnknownServiceException.(UnknownServiceException.java:25) at com.wm.app.b2b.server.ServiceManager.invoke(ServiceManager.java:452) at com.wm.app.b2b.server.SessionInvoke.run(Session.java:620) at com.wm.util.pool.PooledThread.run(PooledThread.java:103) at java.lang.Thread.run(Thread.java:498)
How to set the scheduler so that it should automatically delete all outbound transactions with confirmed status in Business connector.
pls provide me the soln to rectify this.

“Unknown service: Wm.PartnerMgr.xtn.Sweeper:sweepTRX”

Resolving this item from the error stack may be a good place to start.