Yes, these messages are related. This is because when your robot gets disconnected the orchestrator cannot run the schedule hence the job moves to a ‘pending state’ and as soon as your connection re-establishes your tasks can run.
Are you interested in learning RPA from the basics! Here's the right video for you on RPA provided by Intellipaat:
Now as to why this is happening there can be many reasons related to this but in my experience, it is mostly related to your machine. The reasons could be some firewall setting or your Ui-robot services shutting down after some time, you’ll need to look into your machine events to find out or raise a ticket to uipath.