So my GBA Everdrive is reading saves, but not writing new ones. Help

I updated my GBA Everdrive to the newest firmware that is supposed to resolve the dead battery save issue. My battery has been dead for a few months now. However, none of my games are able to create a new save. Every time I try, and restart the system, the save I made is gone, while all saves from prior to my battery dying are still there and can be loaded just fine.

What am I doing wrong here? The Micro SD card reds and writes just fine, and it is formatted correctly, and i have the...

So my GBA Everdrive is reading saves, but not writing new ones. Help