3131845 - Fiori Launchpad notifications does not work after upgrade

• When trying to open a notification in Fiori Launchpad, My Inbox application fails to open. 

• After clicking "Show Details", the below error is shown:
  <?xml version="1.0" encoding="utf-8"?><error xmlns="http://schemas.microsoft.com/ado/2007/08/dataservices/metadata"><code>/IWFND/CM_MGW/051</code><message xml:lang="en">Resource not found for the segment 'TaskCollection'</message><innererror><application><component_id>OPU-BSC-TGW</component_id><service_namespace>/IWPGW/</service_namespace><service_id>TASKPROCESSING</service_id><service_version>0002</service_version></application><timestamp/><Error_Resolution><SAP_Transaction/><SAP_Note>See SAP Note 1797736 for error analysis (https://service.sap.com/sap/support/notes/1797736)</SAP_Note><Batch_SAP_Note>See SAP Note 1869434 for details about working with $batch (https://service.sap.com/sap/support/notes/1869434)</Batch_SAP_Note></Error_Resolution><errordetails/></innererror></error>

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

• ABAP Platform 2020 (SAP_BASIS 7.55 SP2)
• Task Gateway
• SAP Business Workflow
• SAP Gateway

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