[BUG] Async × Lithium EntitySection cached block state NPE

[NumpaMC]

🐛 Describe the bug

A clear and concise description of what the bug is.
When spawn very very villagers(avobe 1500mobs ) can catch error

📋 Steps to reproduce*

1. Install the pack.zip & import to prismlauncher
2. Use Build
3. Run and test
   4.Spawn many many village with repeater command block
   Need 1 press button = 1500 villages spawn, can catch err with low percent

✅ Expected behavior

What did you expect to happen?
Normal entity ticking

❌ Actual behavior

What actually happened?
With low percent spawn thousand mod, log show errors

🖥️ Environment

• 🔧 Async version: 32625634123
• 🎮 Minecraft enviroment (Client or Server): Client
• 🎮 Minecraft version: 26.2
• ⚙️ Modloader & version: Fabric 26.2 - lasted
• 📦 Other mods installed: in pack

📜 Logs

Please attach your latest.log or crash report if available.
https://mclo.gs/ZoO3lzx
https://mclo.gs/AMkItoP

[NumpaMC]

Note: One bug show when spawn 8-9k Goat
https://mclo.gs/KrsV4B1

[NumpaMC]

Today, I play minecraft normal with Async+1 Modpack ~200 mods and collect some error
Deadlock in log not related async, it is a chang to overword to nether.
https://mclo.gs/Icde1Lb

[NumpaMC]

https://mclo.gs/G7YrxCK

[10:01:39] [Async-Tick-Pool-Thread-11/ERROR] [com.axalotl.async.common.ParallelProcessor]: Error during parallel tick chunk
java.util.ConcurrentModificationException
at java.base/java.util.HashMap.computeIfAbsent(HashMap.java:1230)
at knot//fr.rakambda.fallingtree.fabric.common.FallingTreeCommonsImpl.isLeafBlock(FallingTreeCommonsImpl.java:154)
at knot//fr.rakambda.fallingtree.common.leaf.LeafBreakingHandler.onBlockUpdate(LeafBreakingHandler.java:66)
at knot//net.minecraft.server.level.ServerLevel.handler$dpb000$fallingtree$updateNeighborsAlways(ServerLevel.java:7987)
at knot//net.minecraft.server.level.ServerLevel.updateNeighborsAt(ServerLevel.java:1161)
at knot//net.minecraft.world.level.Level.setBlock(Level.java:259)
at knot//net.minecraft.world.level.Level.setBlock(Level.java:226)
at knot//net.minecraft.world.level.Level.removeBlock(Level.java:293)
at knot//net.minecraft.world.level.block.LeavesBlock.randomTick(LeavesBlock.java:76)
at knot//net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.mixinextras$bridge$randomTick$127(BlockBehaviour.java)
at knot//net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.wrapOperation$eeh000$frozenlib$frozenLib$runCustomRandomTick(BlockBehaviour.java:2916)
at knot//net.minecraft.world.level.block.state.BlockBehaviour$BlockStateBase.randomTick(BlockBehaviour.java:1170)
at knot//net.caffeinemc.mods.lithium.common.world.section.RandomTickingSectionDataHelper.randomTickNthBlock(RandomTickingSectionDataHelper.java:119)
at knot//net.minecraft.server.level.ServerLevel.modifyExpressionValue$fna000$lithium$lithiumRandomTick(ServerLevel.java:14031)
at knot//net.minecraft.server.level.ServerLevel.tickChunk$mixinextras$wrapped$302(ServerLevel.java:524)
at knot//net.minecraft.server.level.ServerLevel.mixinextras$bridge$tickChunk$mixinextras$wrapped$302$303(ServerLevel.java)
at knot//net.minecraft.server.level.ServerLevel.wrapMethod$ece000$friendsandfoes$addZombieHorseSpawnEvent(ServerLevel.java:9044)
at knot//net.minecraft.server.level.ServerLevel.tickChunk(ServerLevel.java)
at knot//net.minecraft.server.level.ServerChunkCache.lambda$tickChunks$0(ServerChunkCache.java:400)
at java.base/java.lang.Iterable.forEach(Iterable.java:75)
at knot//com.axalotl.async.common.ParallelProcessor.lambda$emit$0(ParallelProcessor.java:319)
at knot//com.axalotl.async.common.ParallelProcessor$CostModel.lambda$wrap$0(ParallelProcessor.java:137)
at knot//com.axalotl.async.common.ParallelProcessor.lambda$submitParallel$0(ParallelProcessor.java:349)
at knot//com.axalotl.async.common.ParallelProcessor.drain(ParallelProcessor.java:401)
at knot//com.axalotl.async.common.ParallelProcessor.lambda$submitParallel$1(ParallelProcessor.java:360)
at knot//com.axalotl.async.common.ParallelProcessor.runOnePrioritized(ParallelProcessor.java:109)
at java.base/java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1090)
at java.base/java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:614)
at java.base/java.lang.Thread.run(Thread.java:1474)

[NumpaMC]

1 Deadlock Found
https://mclo.gs/pEqX1GL

[NumpaMC]

📋 Steps to reproduce*

1. Install Pack.zip and import to prismLauncher
   Remember add this fabric dev build here
   2.Run pack
   3.Create a survival word
   4.Play, kill mob and go to end, not speed run, play more = can show errors in log.