3082808 - Navigation from a Fiori App to another causes a blank screen/screen hanging

• On a Fiori Application, when clicking on an action that launches another fiori app , the screen keeps on loading the second app forever
• When launching the second app directly, you can find a draft of the created data or the data already submitted.
• The console log shows the error: 
  

  This cannot happen: sap-xapp-state parameter value is neither key nor JSON parseable
  Model names are not allowed in sorter-paths: "msg>" -

  NavigationEvents:
  "sap-xapp-state", Value: "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx"}
  -> 41 characters

• SAP S/4HANA 2020
• SAPUI5 1.84.1

KBA , CA-FLP-FE-UI , SAP Fiori Launchpad User Interface , CA-UI5-COR , Core and Runtime , Problem