Not possible to determine an exchange rate (Please check your input)

What causes this issue?

For the system to be able to determine an exchange rate, it needs to
know the currency, the current date, and the exchange rate type.

System Response

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

How to fix this error?

Enter the necessary data.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.