2582583 - Fiori My Inbox application not opening and tile count shows zero

Fiori My Inbox application opening failed with the following error message:

• A problem occurred while reading the data.
  Check the URL parameters and the scenario definition. To check the scenario definition, in Customizing for SAP NetWeaver, choose Gateway Service Enablement -> Content -> Task Gateway -> Task Gateway Service -> Scenario Definition.

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

• Fiori My Inbox
• Task Gateway
• Gateway Business Workflow Enablement
• SAP NetWeaver 7.4
• SAP NetWeaver 7.5
• SAP NetWeaver Application Server 7.51 for SAP S/4HANA 1610 (SAP NetWeaver 7.51)
• SAP Gateway

SAP_GWFND, IW_PGW, /IWPGW/TGW, /IWWRK/WORKFLOW, App cross.fnd.fiori.inbox has errors and may not run correctly, Error in app component cross.fnd.fiori.inbox, No descriptor was found, Scenario Count field, /IWWRK/IF_TGW_SCENARIO interface, TASKPROCESSING, Assign Consumer Type to Scenario, TaskCount value, ScenarioCollection, SAPUI5 application index, filter by task type, Enable Task Filter, IW_BEP, Fiori, My Inbox, inbox , KBA , OPU-BSC-TGW , Task Gateway , CA-INB-FIO , Fiori UI for My Inbox Application , Problem