Solution : https://service.sap.com/sap/support/notes/700554 (SAP Service marketplace login required)
Key words : 
------------------------------------------------------------------------applclass subclass kedrstratid applname   callbackrep------------------------------------------------------------------------fm        01      rcn1, symptom dump error occurs, terms kedr_transport_after_imp rfmxpr49 reason, solution create report rrffm_callback_report_kedr, field tkedr-callbackrep, conflicting callback-report, attached report z_adjust_fm_gm_strategy_tkedr, attached correction instructions, -ps      rffm_callback_report_kedrfm        01      afma, -ps      rffm_callback_report_kedrfm        21      afma
Related Notes : 
       
| 763836 | |
| 708366 | Report RFMXPR49 is not Client and Strategy key dependent | 
| 669764 | FI-FM migration to R/3 Enterprise (4.7) EA-PS 2.00 |