Permanent error in BPE inbound processing

Hi,

I am working on File to IDOC using BPM.In the File Sender i am using ExactlyOnceinOrder.Whne i am exectuing the scenario,it is getting stuck in the queues,with the error as below:

I have checked multiple Threads:

http://scn.sap.com/thread/3335763

http://scn.sap.com/people/henrike.kaiser/blog/2009/02/03/how-to-analyze-stopped-queues-in-xi-ccbpm

http://scn.sap.com/thread/3190584

but didn't find the solutions.When i get into that message(i.e in Trace)it is showing as below:

20 39 12.08.2013 - 12:20:00.5403210 DATA SWF_INB EXCEPTIONS  WF-BATCH X Error during start of process of type WS90000029 by message 8193C43D034911E3CA160000003802DE WS90000029 XBQO$PE_WS90000029 8193C43D034911E3CA160000003802DE

Please Suggest how to proceed further.