SAP Knowledge Base Article - Preview

2936559 - Designer crashes with error "Application Error: Duplicate Key." - SAP Data Services 4.x

Symptom

  • Designer crashes randomly.
  • Getting errror when opening a query transform:

"Application error: Duplicate Key. Key < Table\XXXXXX> for the object <XXXX> is a duplicate of the object <XXXX>.
Please export your repository to a file and send this file to customer support along with description of how to reproduce this error."


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Environment

  • All Available SAP Data Services versions

Product

SAP Data Services 2025 ; SAP Data Services 4.2 ; SAP Data Services 4.3

Keywords

DS, application error, duplicate key, Designer crash, same patch level , KBA , EIM-DS-DES , User Interface/Designer , Problem

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