3004769 - Fiori Launchpad does not load any tiles

• Fiori Launchpad is empty
• Fiori Launchpad do not show any tiles
• Fiori Launchpad is blank 
• In Browser the Devtool Console displays below error:
  
  Error (201, ) in OData response for POST "/sap/opu/odata/UI2/INTEROP/PersContainers": no handler for data - {"requestUri":"/sap/opu/odata/UI2/INTEROP/PersContainers","statusCode":201,"statusText":"","headers":[],"body":"{\"id\":\"sap.ushell.services.Notifications\",\"category\":\"P\",\"validity\":0,\"clientExpirationTime\":\"\\/Date(253373461200000)\\/\",\"component\":\"\",\"appName\":\"sap.ushell.components.shell.Notifications\",\"PersContainerItems\":{\"results\":[{\"containerId\":\"sap.ushell.services.Notifications\",\"containerCategory\":\"P\",\"id\":\"userSettingsData\",\"category\":\"I\",\"value\":\"{\\\"highPriorityBannerEnabled\\\":true}\"}]}}"} sap.ui2.srvc.ODataWrapper
  
  
• PersContainers post request shows 403 with "CSRF token validation failed" response in browser client devtool's network trace.

• SAP Fiori For S4HANA
• SAP Fiori Front-end Server

PersContainers, CSRF token , 403 , Error (200, ) , Error (200) , FLP empty , No tiles , /sap/opu/odata/UI2/INTEROP/FeedbackLegalTexts('1') , no handler for data, Fiori Launchpad, Fiori Portal , KBA , CA-FLP-FE-UI , SAP Fiori Launchpad User Interface , Problem