Solution : https://service.sap.com/sap/support/notes/453834 (SAP Service marketplace login required)
Key words :
'change billing document' functon processes, function 'change billing document', processing function module read_exchange_rate, 'create billing document' function, deviating exchange rate type, exchange rate type 'm', exchange rate type, terms currency translation, exchange rate, intercompany billing
Related Notes :
| 411792 | Incorrect exchange rate type in general billing interface |
| 22781 | Exchange rate in accounting, exchange rate type |