Business connector Scheduling problem

2007-01-09 09:08:20 GMT+05:30 [B2BSERV.0026.9201] Unknown service: Wm.PartnerMgr.xtn.Sweeper:sweepTRX at com.wm.util.LocalizedException.( at at at at at at
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.