3217652 - Message "Task no longer exists in your inbox" keeps popping up in Fiori My Inbox

Symptom

When opening Fiori My Inbox application, message "Task no longer exists in your inbox" keeps flashing, no action can be done in the application, task description is not shown.
AND
In the console tab of the browser developer tools, the error "EventProvider sap.ui.model.odata.v2.ODataModel - No data was retrieved by service: 'undefined'" can be found multiple times.

Environment

Task Gateway
Gateway Business Workflow Enablement
SAP Gateway
SAP NetWeaver 7.5
SAP NetWeaver Application Server 7.51 for SAP S/4HANA 1610
SAP NetWeaver Application Server for ABAP 7.52 for SAP S/4HANA
ABAP PLATFORM 1809 - Application Server ABAP
ABAP PLATFORM 1909 - Application Server ABAP
ABAP PLATFORM 2020 - Application Server ABAP
ABAP PLATFORM 2021 - Application Server ABAP

Product

ABAP platform 1809 ; ABAP platform 1909 ; ABAP platform 2020 ; ABAP platform 2021 ; SAP NetWeaver 7.5 ; SAP Web Application Server for SAP S/4HANA all versions

Keywords

SAP_GWFND, IW_PGW, /IWPGW/TGW, /IWWRK/WORKFLOW, IW_BEP, TASKPROCESSING, task no longer exists in your inbox, task does not exist, don't exist, doesn't exist, not available, message flashing, keeps popping up, pinging the taskprocessing service, infinitely, infinite loop, EventProvider sap.ui.model.odata.v2.ODataModel - No data was retrieved by service: 'undefined', undefined service, service not defined, unknown service, batch request, multiple batch request, Fiori My Inbox application
, KBA , OPU-GW-COR , Framework , CA-INB-FIO , Fiori UI for My Inbox Application , OPU-BSE-WFM , Gateway Business Workflow Enablement , OPU-BSC-TGW , Task Gateway , Problem

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