Reproduction steps:
  1. Add player to roster
  2. From roster list, click on player to open Edit Player window.
  3. Enter details such as email, phone, etc.
  4. Select Manage Default Tees and select/save a tee
  5. When the window, closes all previously entered fields are cleared.
This is not a show stopper, but is an annoyance. Since the Manage Default Tee button is in the middle of the Edit Player window, it's likely that a user will start from top down entering details. The expectation is that previously entered data would still be there after selecting default tees.