Know issues:
If you re-install or upgrade to a different version of the Frogwatch program, you may experience that the program will not hold and save your entries. This means the program needs to be refreshed.
Solution:
If you have this problem, the solution is easy. You have to refresh the program database. To do this, enter data in the Volunteer section of the program, any data. You can change it later. After you do this , the program goes back to normal. I know, weird. but it works and it's easy to fix.