I'd suggest opening a Support case. But I have a hunch it might be the USB modem in your Oval HQ MX causing the alert. If possible you could disconnect it and see if the error clears. I don't think it's actually connected to the cell network from what I can tell.
Ryan If you found this post helpful, please give it
Kudos. If my answer solves your problem please click
Accept as Solution so others can benefit from it.
