Hi,
I'm not absolutely sure but given the fact you are running off a network drive it is possible that the "autosave" is having trouble as it is on a timer. It may be running when you open up the computer and trying to save your data before your network drive is connected/ready.
BeerSmith will revert to its internal backups if it can't open the most recent data files successfully.
I'm going to add some additional options to the next version to allow you to modify the autosave behavior. The newer versions do autosave more frequently.
Brad