SAP Message 6E018 - Document item was not converted due to error during rate calculation

Diagnosis
INCLUDE TRLO_EMU_BEPI_KEY OBJECT DOKU ID TX
The document item cannot be converted, since an error has occurredwhile calculating or determining the exchange rate.

System Response
Processing was terminated.

Procedure
Check the Customizing settings for currency translation. The systemcannot determine the exchange rate between the original currency of theloan and the euro.
Translation ratios
Exchange rates