3416609 - RFC message from ERP to PI is empty.

• You are sending data from a ABAP report via RFC call to the PI system.
• The message is sent from ERP to PI but then its empty at PI end.
• In PI, you are getting a mapping error, because of the empty main document.
• And you discovered the following traces in the logs:
  
  Tracing for additional info -runtimeexception
  Thrown:
  com.sap.aii.mappingtool.tf7.IllegalInstanceException: Cannot create target element /XXXXXXXXXXXXXXXX. Values missing in queue 
  context. Target XSD requires a value for this element, but the target-field mapping does not create one. Check whether the XML instance is valid for the source XSD, and whether the target-field mapping fulfils the requirement of the target XSD
  at com.sap.aii.mappingtool.tf7.AMappingProgram.processNode(AMappingProgram.java:420)
  at com.sap.aii.mappingtool.tf7.AMappingProgram.processNode(AMappingProgram.java:467)

• SAP Process Orchestration
• SAP Process Integration

com.sap.aii.mappingtool.tf7.IllegalInstanceException: Cannot create target element /ns1:MT_Inventorylist/I_BESTANDSLISTE. Values missing in queue context. Target XSD requires a value for this element, but the target-field mapping does not create one. Check whether the XML instance is valid for the source XSD, and whether the target-field mapping fulfils the requirement of the target XSD , KBA , BC-XI-CON-RFC , RFC Adapter , Problem