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Version
Minecraft Neoforge 1.21.1

Description

This PR fixes a critical issue causing severe console spam and TPS drops during world generation, specifically related to the Pillager structures.

The Issue
When generating chunks containing this structure, the server console is flooded with the following error: [Worker-Main-1/WARN] [minecraft/JigsawPlacement]: Empty or non-existent pool: structory:harvest/well_bottoms

This causes significant lag (TPS drops) and slows down pre-generation tools like Chunky, as the game fails to locate the requested template pool.

The Cause
This file was named without the .json

The Fix
Just had to add the .json in the name of the file and the error disappears. This successfully resolves the "non-existent pool" error, stops the console spam, and restores normal world generation performance.

**Description**
This PR fixes a critical issue causing severe console spam and TPS drops during world generation, specifically related to the Pillager structures.

**The Issue**
When generating chunks containing this structure, the server console is flooded with the following error:
`[Worker-Main-1/WARN] [minecraft/JigsawPlacement]: Empty or non-existent pool: structory:harvest/well_bottoms`

This causes significant lag (TPS drops) and slows down pre-generation tools like Chunky, as the game fails to locate the requested template pool.

**The Cause**
This file was named without the .json

**The Fix**
Just had to add the .json in the name of the file and the error disappears.
This successfully resolves the "non-existent pool" error, stops the console spam, and restores normal world generation performance.
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