Lost contact with the server. Anything you type now may not be saved. Check that the server PC is on and you are on the office network - the message clears by itself once the connection is back.

This browser is not allowing data to be saved. Your entries will be lost when you close the window. Open the file directly from your PC (not from inside a zip), and avoid private / incognito mode. Use Backup & Restore to keep a file copy.