Using celestial_1.19.4_forge-2.0.

Bug description
When using the distanceToBiome and distanceToBiomeFlat variables, the chat gives a null error, and the json fails to load.

Configs used:
"alpha": distanceToBiomeFlat(10, posY, 'minecraft:plains')
"alpha": distanceToBiome(10, 'minecraft:plains')

Output in the latest.log file:

[07dec.2024 21:39:53.572] [Render thread/INFO] [net.minecraft.client.gui.components.ChatComponent/]: [System] [CHAT] [Celestial] Error at overworld/objects/sky220_day_normal1.json, properties.alpha: null