https://userapps.support.sap.com/sap/support/knowledge/en/3536451
3536451 - Error VF003 (Item Category xxx cannot be invoiced with billing type xxx) in V_NL...
Output in V_NL is not generated, error VF003 (Item Category xxx cannot be invoiced with billing type xxx) is raised: Image/data in this KBA is from SAP...