Random Engine Error Alpha 11

Title:
Random engine error after placing crates

Summary:
I don’t exactly know what caused it, but it happened after placing a crate

Steps to reproduce:
Sorry I don’t know

Expected Results:
A crate in my desired location

Actual Results:
Crash

Notes:
N/A

Attachments:

Versions and Mods:
Version: Alpha 11 Pre-release
Mods: Golden throne, and Settlement Decor

System Specs:
OS: Windows 8
CPU: Intel Celeron N2830 Dual-core 2.16 GHz
RAM: 4 GB
GPU: Intel HD Graphics