Can't bind any key in Keyboard Shortcuts on Mac

  1. Choose a Keyboard Shortcut to Bind a New Key

192817-screen+shot+2017-07-28+at+1.35.19+pm.png

  1. Starting typing your Keys in the Input Field

192818-screen+shot+2017-07-28+at+1.35.47+pm.png

  1. Finish with a key, like Cmd+Shift+G and you get a Override Box

192819-screen+shot+2017-07-28+at+1.35.58+pm.png

  1. Click on Override and nothing happens. Input Field doesn’t save new Key Binding.

192820-screen+shot+2017-07-28+at+1.36.13+pm.png

Not being able to bind any key on a Mac is really annoying. Is there a file on the computer that saves the commands so I can edit in a notepad, or something?