Solution : https://service.sap.com/sap/support/notes/101977 (SAP Service marketplace login required)
Key words :
additional key words poi, choose 'suppress background job, choose 'transfer idoc immed, menu 'destination->trfc options', 'suppress background job, 'transfer idoc immed, choose 'collect idoc', message type individually, trfc entries exist, transmission error occurs
Related Notes :
| 538945 | FAQ: POI interface, transactions and message categories |
| 74141 | Resource Management for tRFC and aRFC |