Solution : https://service.sap.com/sap/support/notes/371004 (SAP Service marketplace login required)
Key words :
workflow information system makes, symptom clear trfc queue, workflow information system, additional key words, applicable support package, incorrect work items, entries remain hanging, trfc queue, trfc entries, remain hanging
Related Notes :
433629 | FI ALE outbound processing: IDoc not sent - it is in tRFC |
366869 | HOLD/EXECUTED/WCONFIRM entries in ARFCRSTATE |