2739173 - Backend error occurred when launch a WebGUI tile from FLP

Symptom

Backend error occurred when launching a WebGUI (SAP GUI for HTML) tile from FLP (Fiori Launchpad).

Following shows an example of the backend error message:

Backend error occurred

Please contact your system administrator.
Backend Error Details
Received "" on batch step #1: undefined
The complete batch was:

The detailed error message may differ.

Image/Data is from SAP internal systems, sample data, or demo systems. Any resemblance to real data is purely coincidental.

Environment

SAPGUI for HTML(WebGUI)

Fiori launchpad

Product

SAP S/4HANA 1809

Keywords

Backend error occurred, webgui/state/ur, /state/ur, 400, post, The complete batch was, on batch step #1: undefined, FLP, fiori, WebGUI, SAP GUI for HTML, "Received "[-1002] expected tags: 'endsession', 'okcode', 'value', 'focus', 'vkey', 'action', 'upload', 'resource', 'list', 'multi', 'batch', 'personas', 'proxy/state', 'proxy/assert', 'proxy/assert', 'recalculate'" on batch step #1: undefined". , KBA , BC-FES-ITS , SAP Internet Transaction Server , BC-FES-WGU , SAP GUI for HTML , Problem

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