Sales Order in Awaiting Invoivce status

After shipping the sales order the workflow is stuck @ Invoice Interface - Line, Deferred. I ran the WF background with stuck as Yes for all the differnt AR item types but w/o any sucess. Any help

Incomplete setup Check below

Incomplete setup Check below setups 1. OM Order type and associated AR transaction type. If there is no transaction type the select one 2. Transaction Type & Source in AR