Solution : https://service.sap.com/sap/support/notes/1256891 (SAP Service marketplace login required)
Key words :
attached correction instructions, relevant support package, logging synchronous messages, recording sensitive data, integration engine configuration, synchronous message incorrectly, default system response, payload data, synchronous communication, full default
Related Notes :
1427557 | Interface-specific parameter SYNC_ERROR_LOG |
1273096 | NW04s Support Package Stack 18 |
1097140 | Error handling in the Integration Engine |