Goblin Camp Bug -> Chief and followers walk throw town

[Prepe]

Summary:
The whole Goblin Camp decided to walk throw my town to get to a campfire from an random encounter.

Steps to reproduce:

1. have a Goblin Camp on map
2. have a random goblin encounter spawn with campfire
3. random thing i dont know

Expected Results:
Chief and rest stay inside Camp

Actual Results:
whole Camp walks throw my town

Attachments:

Version Number and Mods in use:
Alpha 22 r737
No Mods

System Information:
Nvidia Geforce GTX 1070, 16GB RAM, WIN10