If you are using Altair Display Manager and you encounter this Error Message (java.util.concurrent.ExecutionException) below

 

Resolution Step 1: 

Click the Icon at the top left hand corner of the browser

 

Resolution Step 2:

Click the Compute Manager Icon

 

Resolution Step 3:

On the Top-Right Corner of the Browser, click the setting icon and “Edit/Unregister”

 

Resolution Step 4:

Click the bottom left hand corner and click “Unregister”

Click “Yes”

 

Resolution Step 5:

Click “Save”

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