How To Fix W8435 - No exchange rate found for currency conversion '&1' -> '&2'

SAP Error Message - Details

• Message type: E = Error

• Message class: W8 - Workflow: Expressions, data flow

• Message number: 435

• Message text: No exchange rate found for currency conversion '&1' -> '&2'

What causes this issue?

The system tried to convert a currency amount from currency &V1& to
currency &V2&. No valid exchange rate was found for the conversion.

System Response

The conversion could not be performed.

How to fix this error?

Maintain the necessary exchange rate.

Procedure for System Administrators

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

Error message extract from SAP system. Copyright SAP SE.