Solution : https://service.sap.com/sap/support/notes/109587 (SAP Service marketplace login required)
Key words : 
function module fima_interest_rate_convert  ==> include lff05u02function module fima_transactions_generate  ==> include lff10u05function module fima_transactions_generate_opt  ==> include lff10u06function module fima_transactions_compute  ==> include lff11u02form routine finanzstrom_berechnen  ==> include lff13f01 6, splitting flow recordsfunction module fima_transactions_split  ==> include lff11u01function module fima_transactions_split_opt  ==> include lff11u05new form routines  ==> include lff11f01 7, ==> include ltb06topfunction module tb_transaction_maintain  ==> include ltb06u05  ==> include ltb06i05 9, function module fima_interest_compute  ==> import parameter i_abastage --> remove reference field 5, effective interest rate calculationfunction module vergleichskonto_staffeln  ==> include lfv90u02, amount = calculation base percentage rate / 100 days / daily basisexponential interest calculation, function module tm_interest_factor_compute  ==> delete interface parameter base_days, ==> include ltm07u02function module tm_cp_present_value_compute  ==> include ltm07u03 10, function module fima_interest_method_convert  ==> include lff05top, securitiesform routine linear_abgrenzen  ==> include lff20f01 11
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