Seems that placing ladders crashes game :/

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen here

[I expected a ladder to be put on a wall so I may climb it...]

What actually happened was...:
Describe what happened here

[As I click for the placement, the ladder doesn't place and crash report shows, closing the game.]

Steps to Reproduce:
1. place ladder in hotbar
2. try to put on a horizontal surface
3. game explodes.