Could not find mapping of tax code for Logistics Invoice Verification

Message type: E = Error

Message class: ARBERP_CFG_WEBUI - Messages for CFG WebUI

Message number: 018

Message text: Could not find mapping of tax code for Logistics Invoice Verification

This mapping is defined by the supplier &V1&, the tax category in cXML
&V2&, the tax rate &V3&%, and the country &V4&. Very likely, the mapping
no longer exists. Please refresh the Mappings overview or start the app
again.

Error message extract from SAP system. Copyright SAP SE.