3237515 - Error "Problem occurred while reading the data" when opening some Scenario-Specific tiles in My Inbox

When opening a Scenario-Specific tile in My Inbox, the below error is raised:

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 Service -> Scenario Definition.

This is specific to only certain Scenario-Specific tiles in My Inbox, not all of them have the above error.

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

• Task Gateway
• Gateway Business Workflow Enablement
• SAP NetWeaver
• SAP Web Application Server for SAP S/4 HANA
• ABAP PLATFORM - Application Server ABAP
• SAP Gateway
• Scenario-Specific tile in My Inbox is defined with roles

SAP_GWFND, IW_PGW, /IWPGW/TGW, /IWWRK/WORKFLOW, IW_BEP, TASKPROCESSING, scenario definition, role, missing, business user, not able to open, My Inbox, Fiori Launchpad, Scenario-Specific tile in My Inbox, READ_CONFIG_CONSUMER_SCENARIO, /IWPGW/CL_TGW_EDP_TASK, USERS_SCENARIO_BY_ROLES
, KBA , OPU-BSC-TGW , Task Gateway , OPU-BSE-WFM , Gateway Business Workflow Enablement , Problem