Happens VERY rarely on very specific circumstances (WiFi, laptop user, closes lid on his computer with Unity active)

Assuming user has a collab-enabled project on a laptop of any OS:
1. Close the lid on your laptop for the night

Observed Result: Upon reopening Collab will display an error message (I've seen two different ones: 2 x Cannot get revision... and 1 x Please update) and the collab window will display "no internet connection".

N.B.: User will have to restart Unity to recover from this issue. Turning WiFi on and off again has no effect as well as creating an object or trying to create an asset or partial publishing.

Please see logs in comments.