Miners Haven Modded Error?

So Somehow i broke My Personal Modded Miners haven

So i am trying to fix a problem i have where when ever i place an item. It Shows an error

The Error is coming from: if Model:FindFirstChild("SelectionBox") and module.placing then

Dev Console Error: https://gyazo.com/f8366b9fcbeb6f1035262d75f1feb6b5

Any scripters know whats going on?

Images:

https://gyazo.com/24a6de74271d9a206bfbac6659881912

Default Source Code From berezaa: https://github.com/berezaa/minershaven

Bugged Game: https://www.roblox.com/games/4003762813/tgergaerghaerh?refPageId=23cfa877-ba3a-4880-9fb2-f4eccbab5a35

I have tried Completely Replacing the Placement Module. I have tried Using Other scripts to see if "SelectionBox" was Not a thing. And my brain really hurts.

Could i get some help

Thanks, yellowguythatgames!