The reason seems to be that - tsk=\"UPR_TEST\" - appears after -techinf- . With -tsk=\"UPR_TEST\"- before techinf the object is created properly. Then try to display/update the task using UVC => it's not possible, you will have an empty windows.
Cause type: Defect Root Cause: N/A
Update to the fix version listed below or a newer version if available.