help -one or more actions are not bound to a key

Games Halo: The Master Chief Collection
1

Please can i have some help,

I’m trying to play controller on MCC PC, but I have an error message when I go to change my controller settings, it says

'one or more actions are not bound to a key - HALO 3, HALO 3, HALO 3, HALO 3, ’

I’ve scouted forums here and Redit and none have manged to help me.

ALL buttons are bound to a button in all my halo 3 columns. I am so confused :\

I will paypal someone $5 to fix this for me