Only one currency for profit center valuation is allowed

What causes this issue?

The material ledger type can be defined with up to three currencies and
valuations.
For profit center valuation, however, only one currency can be defined.
Two currencies at once is not allowed since the currency and valuation
profile can contain only one currency per valuation.

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

System Response

How to fix this error?

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.