what should i do
It happens. You saved a backup right?
Tictacs>Controls> down in the bottom left corner > “import from file” > “lastlogin.blk”
You can also try some of the ones in update folders that are long strings of numbers if that doesn’t work.
Just make a new scheme and tweak it until it’s good enough. On xbox I can instantly make a new control scheme for mouse and keyboard, or for my controller. Then I just change a few buttons and the sensitivity and it’s ready.
Learn your lesson, redo your keybindings and save it… I learned that I had to save my keybinds the hard way as well, years ago. Sometimes (rarely, but still…) for whatever reason keybinds will just reset to default…