As an FYI, the GTV kit comes with Float Package pre-installed. When you install it again, it reverts the settings to the default ones.
If you backed up your configs when the board was working, you should be able to restore them and resolve the problem. If not, you’ll want to load the GTV_Float.xml file from the following page:
Once you have confirmed the board is working again, make sure to back it up. If you haven’t completed the start guide, that’s also a good thing to do (after fixing the issue above).