What causes this issue?

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?

To assign a
<DS:DE.TPM_COM_VAL_CLASS>general valuation class</> in the Customizing,
navigate to <ZK>Financial Suppy Chain Management -> Treasury Risk
Management -> Transaction Manager -> Listed Derivatives -> Transaction
Management -> <DS:SIMG.VC_ATCVC>Assign General Valuation Class</>. </>

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.