Solution : https://service.sap.com/sap/support/notes/137846 (SAP Service marketplace login required)
Key words : 
tabcount tabname feldname keyflag function formrout           lfdnr000      fmcfsi  ldbtr_cf                  convert_bp_sv_bl   002000      fmcfsi  lednr, tabcount tabname    feldname paramnr gtyp paramwrt000      fmcfsi     ldbtr_cf 0001, tabcount tabname    feldname paramnr gtyp paramwrt000      j_1aoifwvl delta1   0001, fmcfsi-lednr000      fmcfsi     ldbtr_cf 0003, upd_rec-lednr000      fmcfsi     lednr    0001, additional key words ewu, j_1aoifwvl-waers000      j_1aoifwvl dmshb    0001, waers-12000      fmcfsi     ldbtr_cf 0002, prerequisites incorrect table entries, symptom currency amounts
Related Notes : 
       
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