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2353727 - WB21: error WS001 occurs when TC has item with more than 9 BOM components


You create a Trading contract (TC) in WB21 with an item, for which a Bill of material (BOM) exists and which has more than 9 components. When a new item is added to the same TC, the program issues error message WS001 ("Internal error generating item data for document &").



  • Global Trading Management (EA-GLTRADE) in SAP ERP
  • Global Trading Management (EA-GLTRADE) in S4 HANA


SAP ERP Central Component all versions ; SAP S/4HANA all versions ; SAP enhancement package for SAP ERP all versions ; SAP enhancement package for SAP ERP, version for SAP HANA all versions


WS 001, BOM, component, TC item, item incremental number, TB2BE-INCPO, S_LAST_TPOSN-TPOSN, SAPLWB2C, KOMWBHI_DEFAULT_UNTERLEGEN , KBA , LO-GT-TC , Trading Contract , Problem

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