SAP Knowledge Base Article - Preview

2593402 - Long Material Number functionality lost after upgrade


  • The system does not allow a Material Number (MATNR) longer than 18 digits.
  • Long Material Number functionality is not working.
  • UI elements relevant for material numbers are not enlarged nor set scrollable.
  • MPN functionality is affected, as it also requires the ability to maintain material numbers 19+ in length.



  • SAP ERP Production Planning (PP)
  • SAP ERP Logistics (LO)
  • SAP ERP Industry Specific (IS) 
  • SAP R/3
  • SAP R/3 Enterprise
  • SAP ERP Central Component
  • SAP Enhancement package for SAP ERP


SAP ERP Central Component all versions ; SAP ERP all versions ; SAP R/3 Enterprise all versions ; SAP R/3 all versions ; SAP S/4HANA Cloud 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


IS-A-LMN, IS-ADEC-MPN, DIMP, ECC-DIMP, Long Material Number, Upgrade, EHP7, EHP8, SFW5, IS_AD_MPN, SAPLCSAP, Material Number, MATNR, length, LAMA2ERP_FLAG, DDIC, Dump, SGEN, DIMP_SDUD , KBA , IS-A-LMN , Long Material Number , IS-ADEC-MPN , Manufacturer Part Number , Problem

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