When sending Request for Quotation (RFQ) from SAP ERP or SAP S/4 HANA to SAP Business Network using SAP Integration Suite, managed gateway for spend management and SAP Business Network, the following error is displayed in Managed Gateway for Spend&Network Transaction Tracker:

BusinessNetwork response is :"Not Acceptable" and ErrorCode:"406" and ErrorResponse:"Invalid Document:Attribute "itemClassification" with value "" must have a value from the list "material service ". at line 135, column 43.. Suggested Action : Document failed in Business Network.ErrorCode:CIG-PLT-00644

Unsupported item category is used in RFQ scenario which causes fields itemClassification and itemType to be sent without any value to SAP Business Network in the cXML payload.

Refer to the limitations for RFQ integration in Managed Gateway for Spend&Network Overview Guide.

Go to SAP Help Portal > SAP Integration Suite, Managed Gateway for Spend Management and SAP Business Network Overview Guide > Change in the Names of SAP Ariba Cloud Integration Gateway and Ariba Network > Transactions for SAP Ariba Sourcing and SAP Ariba Contracts > Restrictions

For additional information, please visit How can I check the SAP Integration Suite Managed Gateway for Spend&Network standard mappings?.

SAP Integration Suite Managed Gateway > Managed Gateway for Business Network > Managed Gateway Buyer for Quote Automation
SAP Integration Suite Managed Gateway > Managed Gateway for Sourcing Integration
SAP Integration Suite Managed Gateway > Managed Gateway for Sourcing Integration > Managed Gateway for Sourcing - RFQ