Photo Mode not working?

On 4.04, I'm trying to get the photo mode working and it doesn't work. Neither pressing U or L3 + R3 enables it.

I've installed the "Debug Console and Unlocked Photo Mode" mod manually. The Console works fine.

I changed the keybind to U ingame and also in the input.settings file by pasting this to the bottom of it:

[PhotoModeTrigger]

IK_U=(Action=EnablePhotoMode)

IK_Pad_LeftThumb=(Action=EnablePhotoMode_Step1)

IK_Pad_RightThumb=(Action=EnablePhotoMode_Step2)

I've checked whether the file is overwritten after starting the game and i can confirm it isn't.