Version:
Minecolonies: 0.10.771 Release
Structurize: 0.10.313
Minecraft: 1.15.2

Issue:

• When I click and the green button to place the Camp, my modpack crashed completly.

Steps to reproduce the problem

1. Craft the Supply Camp
2. Place the Supply Camp
3. Click on the Green button and the modpack crash

Logs: Latest.log and crashlog at https://gist.github.com/

• crashlog: crash-2020-06-01_15.32.56-client.txt

Update to the latest alpha of Minecolonies and Structurize.

Ok, I go test that.
It's a problem with the placement system of Structurize I think

Yes, you have a mismatch of both. Get the latest alpha of both and you should be fine.