SAP Knowledge Base Article - Preview

2253910 - Duplicate key error occurred - duplicates at MODIFY for unique secondary index in target system - SLT errors


  • Experiencing replication errors similar to the error below when replicating SLT standard tables like for example table MBEW:
    • Run 0000000012 resulted in duplicates at MODIFY for unique secondary index: Message No. DMC_RT_MSG170
    • Duplicate key error occurred - find duplicates in spool list of batch job: Message No. DMC_RT_MSG146
  • You have even applied SAP Note "1919356 Duplicate key error on System Landscape Transformation (SLT) system" but the problem still persist.
  • You have applied the Note SAP Note  "1905253 - Duplicate key error on intial load" but the issue is still not resolved
  • You have also tried changing the table settings in LTRS for the affected to "Do Not Create any secondary index in target system" but the issue is still not fixed



  • SAP HANA 1.0
  • SAP LT Replication Server 1.0
  • SAP LT Replication Server 2.0


SAP HANA, platform edition all versions ; SAP enhancement package 1 for SAP NetWeaver 7.3


Duplicate key, SLT, secondary index , KBA , CA-LT-SLT , SAP Landscape Transformation Replication Server (SLT) , Problem

About this page

This is a preview of a SAP Knowledge Base Article. Click more to access the full version on SAP for Me (Login required).

Search for additional results

Visit SAP Support Portal's SAP Notes and KBA Search.