Solution : https://service.sap.com/sap/support/notes/458136 (SAP Service marketplace login required)
Key words :
avoid greatly impairing performance, idoc trfc inbound processing, trfc port type, duplicate idocs exist, trfc layer assumes, source code correction, status record table, receiving sap system, runtime error reason, runtime error occurs
Related Notes :
535172 | IDoc: Dup. IDocs in tRFC inbound processing w/ runtime error |
416049 | Installation of qRFC version 6.10.042 |