SAP Knowledge Base Article - Preview

3786490 - WebGUI buttons unresponsive via HTTP

Symptom

  • After upgrade, in the WebGUI app MIR5 (MIR5 is an example, it could happen to other any transaction), no buttons respond on the selection screen.
  • When buttons are pressed, there is no screen change and no popup appears.
  • The issue occurs when launching the app from the Fiori launchpad or WebGUI over HTTP.
  • F12 Browser console shows errors such as:
    webgui_min.js:1138 Uncaught TypeError: crypto.randomUUID is not a function
    ...
    webgui_min.js:668 Uncaught TypeError: Cannot read properties of undefined (reading 'testAPCCapability')
    ...
    lightspeed.js:1 *** ITS ***  : Exception in onUpdate of >> cookieTypeError: a.GetOption is not a function (LS:Error)
    webgui_min.js:771 Uncaught TypeError: a.GetOption is not a function
    ...


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Environment

  • SAP GUI for HTML (WebGUI)
  • Fiori

Product

ABAP platform all versions ; SAP NetWeaver all versions ; SAP S/4HANA Cloud Private Edition all versions ; SAP S/4HANA all versions

Keywords

webgui, sap gui for html, mir5, fiori launchpad, buttons not responding, unresponsive, 2025 upgrade, http vs https, selection screen, browser console error, crypto.randomUUID is not a function, crypto.randomUUID, randomUUID, testAPCCapability, lightspeed error, Exception in onUpdate of, a.GetOption is not a function , KBA , BC-FES-WGU , SAP GUI for HTML , BC-FES-ITS , SAP Internet Transaction Server , Problem

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