SAP Knowledge Base Article - Preview

3677594 - Error message CO344: Item category N only allows base unit of measure for non-stock material assignment

Symptom

  • An error occurs when assigning Non-Stock Material Component to Network Activity, despite the unit of measurement in CJ20N and Material Master matching.
  • Error message: "Item category N: Only base unit of measure allowed" (Message No-CO344).


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Environment

  • SAP ERP Project Systems (PS)
  • SAP R/3
  • SAP R/3 Enterprise
  • SAP ERP Central Component
  • SAP ERP
  • SAP Enhancement package for SAP ERP
  • SAP Enhancement package for SAP ERP, version for SAP HANA
  • SAP S/4HANA, on-premise
  • SAP S/4HANA Cloud Private Edition

Product

SAP ERP 6.0 ; SAP ERP Central Component all versions ; SAP R/3 Enterprise all versions ; SAP R/3 all versions ; SAP S/4HANA 1610 ; SAP S/4HANA 1809 ; SAP S/4HANA 2020 ; SAP S/4HANA 2021 ; SAP S/4HANA 2022 ; SAP S/4HANA 2023 ; SAP S/4HANA Cloud Private Edition 2023 ; SAP enhancement package for SAP ERP all versions

Keywords

non-stock material, network activity, base unit of measure, co344, error message, sap s/4hana, unit of measure mismatch, material assignment, cj20n, project system, item category n , KBA , PS-ST-NET , Network and activities , Problem

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