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3554400 - Resolving "backend error occurred" Issues in SAP GUI for HTML/Fiori

Symptom

This KBA provides guidance on how to troubleshoot and resolve backend error issues in SAP GUI for HTML. These errors often occur while navigating in SAP GUI for HTML or Fiori, presenting a "backend error occurred" pop-up that prevents further activity. However, the same scenario may work fine with SAP GUI for Windows.

Note: this KBA aims to resolve "Backend Error Occurred" pop-ups, which are different from error “A backend error caused an abort of the application”. The errors are not related.


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Environment

  • SAP GUI for HTML 
  • ABAP Platform
  • SAP S/4 HANA 

Product

ABAP platform all versions ; SAP S/4HANA all versions

Keywords

Fiori, webgui, sap gui, html, "control not found", "failed to fire action", "failed to set focus", "Received...  on batch step", backend error occurred, backend error occured, backend error, back end, control, batch, SAPEXE.SAR, SAPWEBGUI.SAR. , KBA , BC-FES-WGU , SAP GUI for HTML , BC-FES-ITS , SAP Internet Transaction Server , Problem

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