Is there an existing issue for this?

• I have searched the existing issues

Are you using the latest MineColonies Version?

• I am running the latest alpha version of MineColonies for my Minecraft version.
  I am also running the latest (possible) versions of other mods that are part of my problem.

Did you check on the Wiki? or ask on Discord?

• I checked the MineColonies/Structurize Wiki or I asked on discord. Or I was sent from discord to open an issue here.

Minecraft Version

1.16

MineColonies Version

1.0.688-ALPHA

Structurize Version

1.0.392-RELEASE

Related Mods and their Versions

No response

Current Behavior

Builder gets to using 4 flint and steals, walks up to the building, hits the air and walks away

Expected Behavior

Builder used flint and steal to light a fire in the fire place

Reproduction Steps

1. Build medieval spruce black smith
2. Upgrade to level three
3. Wait until builder try's to use flint and steal on the level three upgrade

Logs

https://pastebin.com/QGQ8nq5F

Anything else?

I've tried cancelling the upgrade and reordering it, I tried restarting the game, taking the flint and steal out of the builder's inventory.

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I figured out the issue, for some reason the builder wouldn't remove the coal blocks in the fire place from the previous upgrade and I had to remove them myself.