[11:25:51 ERROR]: Input does not contain a key [type]: MapLike[{config:{},name:"minecraft:hay_pile"}]
[11:25:51 ERROR]: Exception loading structure piece with id minecraft:jigsaw
java.lang.IllegalStateException: Invalid pool element found
        at net.minecraft.world.level.levelgen.structure.WorldGenFeaturePillagerOutpostPoolPiece.lambda$new$0(WorldGenFeaturePillagerOutpostPoolPiece.java:54) ~[patched_1.17.1.jar:git-Paper-195]
        at java.util.Optional.orElseThrow(Optional.java:403) ~[?:?]
        at net.minecraft.world.level.levelgen.structure.WorldGenFeaturePillagerOutpostPoolPiece.<init>(WorldGenFeaturePillagerOutpostPoolPiece.java:54) ~[patched_1.17.1.jar:git-Paper-195]
        at net.minecraft.world.level.levelgen.feature.StructureGenerator.a(StructureGenerator.java:129) [patched_1.17.1.jar:git-Paper-195]
        at net.minecraft.world.level.chunk.storage.ChunkRegionLoader.a(ChunkRegionLoader.java:717) [patched_1.17.1.jar:git-Paper-195]
        at net.minecraft.world.level.chunk.storage.ChunkRegionLoader.loadChunk(ChunkRegionLoader.java:272) [patched_1.17.1.jar:git-Paper-195]
        at com.destroystokyo.paper.io.chunk.ChunkLoadTask.executeTask(ChunkLoadTask.java:106) [patched_1.17.1.jar:git-Paper-195]
        at com.destroystokyo.paper.io.chunk.ChunkLoadTask.run(ChunkLoadTask.java:38) [patched_1.17.1.jar:git-Paper-195]
        at com.destroystokyo.paper.io.QueueExecutorThread.pollTasks(QueueExecutorThread.java:105) [patched_1.17.1.jar:git-Paper-195]
        at com.destroystokyo.paper.io.QueueExecutorThread.run(QueueExecutorThread.java:38) [patched_1.17.1.jar:git-Paper-195]