No entry exists in the NPV table

What causes this issue?

There is no entry available in NPV table VTVBAR for the transaction
that is to be valued on the corresponding key date.

System Response

The transaction cannot be valued.

How to fix this error?

Maintain an entry for the key date in the NPV table by carrying out a
mark-to-market valuation.

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.