SAP Knowledge Base Article - Preview

1920964 - BDBG - Retrieval of deleted function module


  • The interface including idoctypes/segments/functions was updated incorrectly or was modified and the standard interface is needed back.
  • After you make changes to an Application Link Enabling (ALE) interface in transaction BDBG or transaction BDFG, the system may delete function modules without recreating them again afterwards.
  • Function Module IDOC_INPUT_ASSORTMENT is deleted without warning in transaction BDBG
  • Function Module ALE_ASSORTMENT_MAINTAINDATA is deleted without warning when using transaction BDBG  



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


ABAP platform all versions ; SAP NetWeaver all versions ; SAP Web Application Server for SAP S/4HANA all versions


BASIS_ALE, bdfg, bdbg, transport , KBA , BC-MID-ALE , Integration Technology ALE , Problem

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