Mastercam 2021 update 2, was working with a file and got an error message to relating to the machine definition, or some such(didn't screen shot it). Accepted the green otion, and closed it out, and rebooted the pc. Go to open the file, and get this:     Lost all my tool paths. It will only take me an hour I think to recover, but it's the principle of the matter. I've never had in issue like this with Mastercam in 22yrs of using it. Guess I start using the auto save backup f