Cash Call Exceeds the Exchange Rate Tolerance.

What causes this issue?

The difference between the funding and local amounts is greater than
the tolerance limits for the exchange rate.

System Response

A warning is given to allow for verification of the entered values.

How to fix this error?

Verify that the exchange rate shown is the rate needed for the
transaction, then press enter to proceed.

Error message extract from SAP system. Copyright SAP SE.