Sorry, I know the title is not helpful. I only have LTN and Vehicle Snap installed. I installed this on 1.0.0 and it worked wonderfully. Suddenly it stopped working. Still on 1.0.0. It does seem to be an issue with this particular save. I created a new game and the mod seems to be working again.

Here's my save file: https://www.dropbox.com/t/Re7jJZLTR0rYZ2dY

Did you try toggle the snapping off and on? Default hotkey was Shift-V but you can also have it in quickbar.

Whelp, I'm an idiot sometimes. Must have hit that by accident. Did not realize that was an option. Thanks!