Prerequisites

• I am running the latest alpha version of 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: 1.16.5
• Structurize Version: structurize-0.13.148-ALPHA-universal.jar
• MineColonies Version (if related bug): minecolonies-0.14.34-ALPHA-universal.jar
• Related Mods and their Versions:

Expected behavior

Actual behavior

Some of the Medieval Oak Alternative buildings miss placeholders in order for the blocks are replaced with the default biome blocks, at least for the farm, the restaurant and the courier. I haven't checked for others.
This has been for months, even in the 1.15.x versions.

The template :

The finished level 1 building, of course 1 block lower :

Steps to reproduce the issue

Logs

• latest.log:
• crashlog:

Notes

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ldtteam/minecolonies#5006 This isn't a structurize issue