REST API for Add user to group returns error 400 instead of 404 when the user does not exist

h3. Issue Summary REST API for Add user to group returns error 400 instead of 404 when the user does not exist. According to the documentation of JIRA 8.5.3|https://docs.atlassian.com/software/jira/docs/api/REST/8.5.3/api/2/group-addUserToGroup when the user or group does not exist, an error 404...

Error shown on the WEM Agents: "An error occurred while building your environment. Agent processing will now stop."

Following error is shown on the right lower corner of the screen on the WEM Agentsevery time the VUEMUIAgent is launched or refreshed: Event Viewer on the WEM Agents reports the following error under Norskale Agent Service when the issue occurs: The "WEM Agent Session Log" shows the following...