SAP Knowledge Base Article - Preview

2587895 - A number range is reserved error when creating a port in WE21 after system refresh


After a system refresh, when trying to create an IDoc port in WE21 the following error occurs:

  • A number range is reserved in WE21
  • Choose another name! Name range reserved!



  • SAP Basis ALE
  • SAP NetWeaver
  • SAP Web Application Server for SAP S/4 HANA
  • ABAP PLATFORM - Application Server ABAP


number range, reserved, WE21, port, Message No. E0557. BASIS_ALE, SNUM, Number Range Buffer , KBA , BC-MID-ALE , Integration Technology ALE , Problem

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