Prerequisites

• I am running the latest alpha version of MineColonies and Structurize for my Minecraft version.
• I checked the MineColonies/Structurize wiki and made sure my issue is not covered there.
• I made sure that this issue is not a duplicate of any existing issue.

Context

• Minecraft Version:
• MineColonies Version:
• Structurize Version:
• Related Mods and their Versions:

Expected behavior

Open Build options in mystical site

Actual behavior

Crashed while opening build options

Steps to reproduce the issue

1. Open UI
2. Click Build options
3. Crash

Logs

• latest.log:
• crashlog: https://gist.github.com/DarkGuardsman/6c312120fdd7105371e8ea96a8b78c20

Notes

Creative build the site shortly before. Saw it show two messages for claimed chunks.

Viewers

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Which mystical site, which level?

I had the same problem upgrading the Caledonia style Mystical Site from Level 2 to Level 3. That mystical site was upgraded to level 2 about a month ago, if that matters.

My crash log: https://gist.github.com/kedamono/3de8ce31c4076b739391b029cbc9a265

Level 4 if I recall right