SAP Knowledge Base Article - Preview

3573541 - "Backend error occurred" "control serialization failed" in SAP GUI for HTML After Kernel Upgrade

Symptom

  • After a kernel upgrade, a backend error occurs in SAP GUI for HTML.
  • The error message displayed is "control serialization failed".
  • The issue is specifically observed when the ACCESIBILITY_MODE = X parameter is set for the user OR sap-accessibility=X parameter is set in the URL.

Image/data in this KBA is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental." 


Read more...

Environment

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

Product

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

Keywords

SAP GUI for HTML, Kernel Upgrade, Bad cast error, ACCESIBILITY_MODE= X, SAP Note 3572269, control serialization failed, accessibility, backend, backend error occurred, VA01, VL02N, sap-accessibility=X, fiori, webgui. , KBA , BC-FES-ITS , SAP Internet Transaction Server , BC-FES-WGU , SAP GUI for HTML , 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.