3371241 - Notifications "Error retrieving lazy upgrade status" when accessing Introscope Enterprise Manager WebView or Workstation

It's not able to access Introscope Enterprise Manager WebView or Workstation due to the following errors:

Error retrieving lazy upgrade status. Status code: undefined
Error while getting metric data. Status code or reason:
Error retrieving permissions. Status code: 404
Error retrieving settings object(s) of the type tile-order. Status code: 404

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

Introscope Enterprise Manager

apmserver, ApmServer/#/home , KBA , XX-PART-WILY , Introscope by CA Technologies , Problem