DUAS: Specific tasks from remote nodes cannot be displayed

Document ID : KB000122271
Last Modified Date : 04/12/2018
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An error popup appears with text "Unknown Error"  when displaying Specific "Tasks on other nodes" inside a main task and the task is not displayed.
Creation of the Specific Tasks works fine.
Dollar Universe 6 with Univiewer Console
Upgrade Univiewer Console to version 6.9.41 or superior.
Now, the Specific Tasks of the reachable nodes are displayed and a popup error will appear for the unreachable nodes.
Additional Information:
Workaround : 
When one of the remote node is stopped (other nodes running), click "task on other nodes"  get Pop up msg "No specific Task".
Click OK then specific tasks on other remote nodes are displayed OK. Expected pop up :" Node xxx is not reachable" as it is  shown in the UVC log.