Solution : https://service.sap.com/sap/support/notes/1329774 (SAP Service marketplace login required)
Key words :
CX_ST_MATCH_ELEMENT, multimapping, messages
Related Notes :
| 1442652 | XI mapping: Dump "CX_ST_MATCH_ELEMENT" during split mapping |
| 1362176 | Upgrade to SAP NW 7.1 EHP 1 for banking services 7.0 and 8.0 |
| 1252365 | Upgrades based on SAP NetWeaver 7.1 including EHP 1 |