Seems to be a leaf pile...

---- Minecraft Crash Report ----
// Why is it breaking :(

Time: 2024-02-25 18:37:44
Description: Exception ticking world

java.lang.IllegalArgumentException: Cannot set property IntegerProperty{name=layers, clazz=class java.lang.Integer, values=[0, 1, 2, 3, 4, 5, 6, 7, 8]} to -1 on Block{immersive_weathering:regions_unexplored/cypress_leaf_pile}, it is not an allowed value
at net.minecraft.world.level.block.state.StateHolder.m_61124_(StateHolder.java:130) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:ferritecore.fastmap.mixin.json:FastMapStateHolderMixin,pl:mixin:A}
at com.ordana.immersive_weathering.blocks.LeafPileBlock.m_213898_(LeafPileBlock.java:249) ~[immersive_weathering-1.20.1-2.0.0-forge.jar%23336!/:?] {re:classloading}
at net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.m_222972_(BlockBehaviour.java:762) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:bugfix.chunk_deadlock.BlockStateBaseMixin,pl:mixin:APP:apoli.mixins.json:AbstractBlockStateMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.reduce_blockstate_cache_rebuilds.BlockStateBaseMixin,pl:mixin:APP:pehkui.mixins.json:compat116plus.AbstractBlockStateMixin,pl:mixin:APP:ferritecore.blockstatecache.mixin.json:BlockStateBaseMixin,pl:mixin:A}
at net.minecraft.server.level.ServerLevel.m_8714_(ServerLevel.java:481) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:cupboard.mixins.json:ServerAddEntityMixin,pl:mixin:APP:citadel.mixins.json:ServerLevelMixin,pl:mixin:APP:aether.mixins.json:common.accessor.ServerLevelAccessor,pl:mixin:APP:modernfix-common.mixins.json:perf.cache_strongholds.ServerLevelMixin,pl:mixin:APP:modernfix-common.mixins.json:bugfix.chunk_deadlock.ServerLevelMixin,pl:mixin:APP:immersive_weathering-common.mixins.json:ServerLevelMixin,pl:mixin:APP:betterdeserttemples.mixins.json:ServerLevelMixin,pl:mixin:APP:corgilib.mixins.json:MixinServerLevel,pl:mixin:APP:immersive_melodies.mixin.json:ServerWorldMixin,pl:mixin:APP:create.mixins.json:accessor.ServerLevelAccessor,pl:mixin:A}
at net.minecraft.server.level.ServerChunkCache.m_8490_(ServerChunkCache.java:362) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:cupboard.mixins.json:ChunkLoadDebug,pl:mixin:APP:immersive_melodies.mixin.json:ServerChunkManagerMixin,pl:mixin:APP:pehkui.mixins.json:compat117plus.compat1201minus.ServerChunkManagerMixin,pl:mixin:APP:modernfix-common.mixins.json:bugfix.chunk_deadlock.ServerChunkCacheMixin,pl:mixin:APP:modernfix-forge.mixins.json:bugfix.chunk_deadlock.ServerChunkCache_CurrentLoadingMixin,pl:mixin:A}
at net.minecraft.server.level.ServerChunkCache.m_201698_(ServerChunkCache.java:312) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:cupboard.mixins.json:ChunkLoadDebug,pl:mixin:APP:immersive_melodies.mixin.json:ServerChunkManagerMixin,pl:mixin:APP:pehkui.mixins.json:compat117plus.compat1201minus.ServerChunkManagerMixin,pl:mixin:APP:modernfix-common.mixins.json:bugfix.chunk_deadlock.ServerChunkCacheMixin,pl:mixin:APP:modernfix-forge.mixins.json:bugfix.chunk_deadlock.ServerChunkCache_CurrentLoadingMixin,pl:mixin:A}
at net.minecraft.server.level.ServerLevel.m_8793_(ServerLevel.java:305) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:cupboard.mixins.json:ServerAddEntityMixin,pl:mixin:APP:citadel.mixins.json:ServerLevelMixin,pl:mixin:APP:aether.mixins.json:common.accessor.ServerLevelAccessor,pl:mixin:APP:modernfix-common.mixins.json:perf.cache_strongholds.ServerLevelMixin,pl:mixin:APP:modernfix-common.mixins.json:bugfix.chunk_deadlock.ServerLevelMixin,pl:mixin:APP:immersive_weathering-common.mixins.json:ServerLevelMixin,pl:mixin:APP:betterdeserttemples.mixins.json:ServerLevelMixin,pl:mixin:APP:corgilib.mixins.json:MixinServerLevel,pl:mixin:APP:immersive_melodies.mixin.json:ServerWorldMixin,pl:mixin:APP:create.mixins.json:accessor.ServerLevelAccessor,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_5703_(MinecraftServer.java:893) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.server.dedicated.DedicatedServer.m_5703_(DedicatedServer.java:283) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithostitched.mixins.json:server.DedicatedServerMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_5705_(MinecraftServer.java:814) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:661) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
at net.minecraft.server.MinecraftServer.m_206580_(MinecraftServer.java:251) ~[server-1.20.1-20230612.114412-srg.jar%23415!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:citadel.mixins.json:MinecraftServerMixin,pl:mixin:APP:modernfix-common.mixins.json:perf.dedicated_reload_executor.MinecraftServerMixin,pl:mixin:APP:balm.mixins.json:MinecraftServerMixin,pl:mixin:A}
at java.lang.Thread.run(Thread.java:833) ~[?:?] {re:mixin}

duplicate of #327, update the mod

I tried to add regions unexplored to the leaf pile black list as "regions_unexplored:, regionsunexplored:"; didnt work.