---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 24/10/21, 1:00 pm
Description: Exception in server tick loop

java.util.concurrent.CompletionException: java.lang.OutOfMemoryError: Java heap space
	at java.base/java.util.concurrent.CompletableFuture.encodeThrowable(CompletableFuture.java:314)
	at java.base/java.util.concurrent.CompletableFuture.completeThrowable(CompletableFuture.java:319)
	at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1766)
	at net.minecraft.util.thread.BlockableEventLoop.void doRunTask(java.lang.Runnable)(BlockableEventLoop.java:151)
	at net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.void doRunTask(java.lang.Runnable)(ServerChunkCache.java:534)
	at net.minecraft.util.thread.BlockableEventLoop.boolean pollTask()(BlockableEventLoop.java:125)
	at net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.boolean pollTask()(ServerChunkCache.java:543)
	at net.minecraft.server.level.ServerChunkCache.boolean pollTask()(ServerChunkCache.java:278)
	at net.minecraft.server.MinecraftServer.boolean pollTaskInternal()(MinecraftServer.java:771)
	at net.minecraft.server.MinecraftServer.boolean pollTask()(MinecraftServer.java:759)
	at net.minecraft.util.thread.BlockableEventLoop.void runAllTasks()(BlockableEventLoop.java:110)
	at net.minecraft.server.MinecraftServer.void waitUntilNextTick()(MinecraftServer.java:743)
	at net.minecraft.server.MinecraftServer.void runServer()(MinecraftServer.java:694)
	at net.minecraft.server.MinecraftServer.net.minecraft.server.MinecraftServer spin(java.util.function.Function)(MinecraftServer.java:274)
	at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:274)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:274)
	at net.minecraft.server.MinecraftServer.void lambda$spin$2(java.util.concurrent.atomic.AtomicReference)(MinecraftServer.java:274)
	at java.base/java.lang.Thread.run(Thread.java:831)
Caused by: java.lang.OutOfMemoryError: Java heap space
	at it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap.null rehash(null)(Long2ObjectOpenHashMap.java:1331)
	at it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap.null insert(null)(Long2ObjectOpenHashMap.java:279)
	at it.unimi.dsi.fastutil.longs.Long2ObjectOpenHashMap.null put(null)(Long2ObjectOpenHashMap.java:287)
	at net.minecraft.world.level.chunk.storage.SectionStorage.void readColumn(net.minecraft.world.level.ChunkPos,com.mojang.serialization.DynamicOps,java.lang.Object)(SectionStorage.java:124)
	at net.minecraft.world.level.chunk.storage.SectionStorage.void readColumn(net.minecraft.world.level.ChunkPos)(SectionStorage.java:108)
	at net.minecraft.world.level.chunk.storage.SectionStorage.java.util.Optional getOrLoad(long)(SectionStorage.java:80)
	at net.minecraft.world.entity.ai.village.poi.PoiManager.void checkConsistencyWithBlocks(net.minecraft.world.level.ChunkPos,net.minecraft.world.level.chunk.LevelChunkSection)(PoiManager.java:193)
	at net.minecraft.world.level.chunk.storage.ChunkSerializer.net.minecraft.world.level.chunk.ProtoChunk read(net.minecraft.server.level.ServerLevel,net.minecraft.world.entity.ai.village.poi.PoiManager,net.minecraft.world.level.ChunkPos,net.minecraft.nbt.CompoundTag)(ChunkSerializer.java:115)
	at net.minecraft.server.level.ChunkMap.com.mojang.datafixers.util.Either lambda$scheduleChunkLoad$15(net.minecraft.world.level.ChunkPos)(ChunkMap.java:580)
	at net.minecraft.server.level.ChunkMap$$Lambda$5307/null 0x0000000100b454b0(null).get(Unknown Source)
	at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1764)
	at net.minecraft.util.thread.BlockableEventLoop.void doRunTask(java.lang.Runnable)(BlockableEventLoop.java:151)
	at net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.void doRunTask(java.lang.Runnable)(ServerChunkCache.java:534)
	at net.minecraft.util.thread.BlockableEventLoop.boolean pollTask()(BlockableEventLoop.java:125)
	at net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.boolean pollTask()(ServerChunkCache.java:543)
	at net.minecraft.server.level.ServerChunkCache.boolean pollTask()(ServerChunkCache.java:278)
	at net.minecraft.server.MinecraftServer.boolean pollTaskInternal()(MinecraftServer.java:771)
	at net.minecraft.server.MinecraftServer.boolean pollTask()(MinecraftServer.java:759)
	at net.minecraft.util.thread.BlockableEventLoop.void runAllTasks()(BlockableEventLoop.java:110)
	at net.minecraft.server.MinecraftServer.void waitUntilNextTick()(MinecraftServer.java:743)
	at net.minecraft.server.MinecraftServer.void runServer()(MinecraftServer.java:694)
	at net.minecraft.server.MinecraftServer.net.minecraft.server.MinecraftServer spin(java.util.function.Function)(MinecraftServer.java:274)
	at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:274)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:274)
	at net.minecraft.server.MinecraftServer.void lambda$spin$2(java.util.concurrent.atomic.AtomicReference)(MinecraftServer.java:274)
	at net.minecraft.server.MinecraftServer$$Lambda$5246/null 0x0000000100b10f38(null).run(Unknown Source)
	... 1 more


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- System Details --
Details:
	Minecraft Version: 21w42a
	Minecraft Version ID: 21w42a
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 16.0.1, Microsoft
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
	Memory: 467906784 bytes (446 MiB) / 2147483648 bytes (2048 MiB) up to 2147483648 bytes (2048 MiB)
	CPUs: 4
	Processor Vendor: GenuineIntel
	Processor Name: Intel(R) Core(TM) i3-9100F CPU @ 3.60GHz
	Identifier: Intel64 Family 6 Model 158 Stepping 10
	Microarchitecture: Coffee Lake
	Frequency (GHz): 3.60
	Number of physical packages: 1
	Number of physical CPUs: 4
	Number of logical CPUs: 4
	Graphics card #0 name: Radeon RX550/550 Series
	Graphics card #0 vendor: Advanced Micro Devices, Inc. (0x1002)
	Graphics card #0 VRAM (MB): 4095.00
	Graphics card #0 deviceId: 0x699f
	Graphics card #0 versionInfo: DriverVersion=27.20.22001.14011
	Memory slot #0 capacity (MB): 16384.00
	Memory slot #0 clockSpeed (GHz): 2.40
	Memory slot #0 type: DDR4
	Virtual memory max (MB): 18758.24
	Virtual memory used (MB): 15026.74
	Swap memory total (MB): 2432.00
	Swap memory used (MB): 130.74
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Player Count: 1 / 8; [ach['redacted'/208, l='ServerLevel[S1v21w42a]', x=-7843.50, y=319.00, z=6720.50]]
	Data Packs: vanilla
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Client jar signature and brand is untouched; Server jar signature and brand is untouched