SAP Knowledge Base Article - Preview

2726687 - Uncaught TypeError: Cannot read property 'length' of undefined


  • When planning a system upgrade in Maintenance Planner you encounter the following error:


  • In the logs (available through the "Download Logs" button on the error prompt), you see the following error:
UI Error Message: Uncaught TypeError: Cannot read property 'length' of undefined
UI File url:
UI File line number: 264
StackTrace: undefined
  • You have reviewed KBA 2383382 already and the Verification Status is 'OK' for your system




Maintenance Planner


SAP NetWeaver all versions


Cannot read property 'length' of undefined, The response from the backend is not as expected, Maintenance Planner , KBA , BC-UPG-MP , Maintenance Planning Tools , Problem

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