There is no exchange rate for exchange rate type & on &: &

What causes this issue?

During valuation, the system discovered that there is no exchange rate
for &V3& for exchange rate type &V1& on valuation date &V2&.

System Response

The transaction is cancelled.

How to fix this error?

The exchange rate type is kept in the <DS:GLOS.plan_version>plan
version</> in cost center accounting. The plan version is assigned to
the <DS:GLOS.valuation_variant>valuation variant</> in Customizing for
Product Cost Controlling.
Check the plan version in controlling area &V4&, or maintain the
exchange rate for exchange rate type &V1&.

Error message extract from SAP system. Copyright SAP SE.