---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 2025-01-27 13:42:34
Description: Updated chunk

java.lang.ClassCastException: class com.mojang.datafixers.util.Either$Left cannot be cast to class com.mojang.datafixers.util.Pair (com.mojang.datafixers.util.Either$Left and com.mojang.datafixers.util.Pair are in unnamed module of loader 'app')
	at com.mojang.datafixers.optics.Proj1.null view(null)(Proj1.java:7)
	at com.mojang.datafixers.optics.Lens.null lambda$eval$0(null)(Lens.java:48)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.functions.Fold.null lambda$eval$2(null)(Fold.java:91)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$wander$3(null)(FunctionType.java:93)
	at com.mojang.datafixers.optics.ListTraversal.null lambda$wander$0(null)(ListTraversal.java:24)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$wander$4(null)(FunctionType.java:94)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.types.Type.null capWrite(null)(Type.java:167)
	at com.mojang.datafixers.types.Type.null lambda$readAndWrite$10(null)(Type.java:159)
	at com.mojang.serialization.DataResult$Success.null flatMap(null)(DataResult.java:201)
	at com.mojang.datafixers.types.Type.null readAndWrite(null)(Type.java:158)
	at com.mojang.datafixers.DataFixerUpper.null update(null)(DataFixerUpper.java:78)
	at net.minecraft.util.datafix.DataFixTypes.com.mojang.serialization.Dynamic update(com.mojang.datafixers.DataFixer,com.mojang.serialization.Dynamic,int,int)(DataFixTypes.java:75)
	at net.minecraft.util.datafix.DataFixTypes.net.minecraft.nbt.CompoundTag update(com.mojang.datafixers.DataFixer,net.minecraft.nbt.CompoundTag,int,int)(DataFixTypes.java:83)
	at net.minecraft.util.datafix.DataFixTypes.net.minecraft.nbt.CompoundTag updateToCurrentVersion(com.mojang.datafixers.DataFixer,net.minecraft.nbt.CompoundTag,int)(DataFixTypes.java:87)
	at net.minecraft.world.level.chunk.storage.ChunkStorage.net.minecraft.nbt.CompoundTag upgradeChunkTag(net.minecraft.resources.ResourceKey,java.util.function.Supplier,net.minecraft.nbt.CompoundTag,java.util.Optional)(ChunkStorage.java:63)
	at net.minecraft.server.level.ChunkMap.net.minecraft.nbt.CompoundTag upgradeChunkTag(net.minecraft.nbt.CompoundTag)(ChunkMap.java:975)
	at java.base/java.util.Optional.map(Optional.java:260)
	at net.minecraft.server.level.ChunkMap.java.util.Optional lambda$readChunk$35(java.util.Optional)(ChunkMap.java:971)
	at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:646)
	at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:483)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188)


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

-- Head --
Thread: Server thread
Stacktrace:
	at com.mojang.datafixers.optics.Proj1.null view(null)(Proj1.java:7)
	at com.mojang.datafixers.optics.Lens.null lambda$eval$0(null)(Lens.java:48)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.functions.Fold.null lambda$eval$2(null)(Fold.java:91)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$wander$3(null)(FunctionType.java:93)
	at com.mojang.datafixers.optics.ListTraversal.null lambda$wander$0(null)(ListTraversal.java:24)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$wander$4(null)(FunctionType.java:94)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.util.Either.null lambda$mapRight$1(null)(Either.java:166)
	at com.mojang.datafixers.util.Either$Right.null map(null)(Either.java:99)
	at com.mojang.datafixers.util.Either.null mapRight(null)(Either.java:166)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$right$6(null)(FunctionType.java:104)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.functions.Comp.null applyUnchecked(null)(Comp.java:126)
	at com.mojang.datafixers.functions.Comp.null lambda$eval$2(null)(Comp.java:118)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at com.mojang.datafixers.FunctionType$Instance.null lambda$first$1(null)(FunctionType.java:81)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)
	at java.base/java.util.function.Function.lambda$compose$0(Function.java:68)

-- Updated chunk details --
Details:
	Data version: 3218
Stacktrace:
	at net.minecraft.world.level.chunk.storage.ChunkStorage.net.minecraft.nbt.CompoundTag upgradeChunkTag(net.minecraft.resources.ResourceKey,java.util.function.Supplier,net.minecraft.nbt.CompoundTag,java.util.Optional)(ChunkStorage.java:63)
	at net.minecraft.server.level.ChunkMap.net.minecraft.nbt.CompoundTag upgradeChunkTag(net.minecraft.nbt.CompoundTag)(ChunkMap.java:975)
	at java.base/java.util.Optional.map(Optional.java:260)
	at net.minecraft.server.level.ChunkMap.java.util.Optional lambda$readChunk$35(java.util.Optional)(ChunkMap.java:971)
	at java.base/java.util.concurrent.CompletableFuture$UniApply.tryFire(CompletableFuture.java:646)
	at java.base/java.util.concurrent.CompletableFuture$Completion.exec(CompletableFuture.java:483)
	at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:387)
	at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1312)
	at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1843)
	at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1808)
	at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:188)

-- Chunk being loaded --
Details:
	pos: [-4, 12]
Stacktrace:
	at net.minecraft.server.level.ChunkMap.net.minecraft.world.level.chunk.ChunkAccess handleChunkLoadFailure(java.lang.Throwable,net.minecraft.world.level.ChunkPos)(ChunkMap.java:612)
	at net.minecraft.server.level.ChunkMap.net.minecraft.world.level.chunk.ChunkAccess lambda$scheduleChunkLoad$18(net.minecraft.world.level.ChunkPos,java.lang.Throwable)(ChunkMap.java:601)
	at java.base/java.util.concurrent.CompletableFuture.uniExceptionally(CompletableFuture.java:990)
	at java.base/java.util.concurrent.CompletableFuture$UniExceptionally.tryFire(CompletableFuture.java:974)
	at java.base/java.util.concurrent.CompletableFuture$Completion.run(CompletableFuture.java:482)
	at net.minecraft.util.thread.BlockableEventLoop.void doRunTask(java.lang.Runnable)(BlockableEventLoop.java:164)
	at net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.void doRunTask(java.lang.Runnable)(ServerChunkCache.java:616)
	at net.minecraft.util.thread.BlockableEventLoop.boolean pollTask()(BlockableEventLoop.java:138)
	at net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.boolean pollTask()(ServerChunkCache.java:625)
	at net.minecraft.server.level.ServerChunkCache.boolean pollTask()(ServerChunkCache.java:282)
	at net.minecraft.server.MinecraftServer.boolean pollTaskInternal()(MinecraftServer.java:871)
	at net.minecraft.server.MinecraftServer.boolean pollTask()(MinecraftServer.java:859)
	at net.minecraft.util.thread.BlockableEventLoop.void managedBlock(java.util.function.BooleanSupplier)(BlockableEventLoop.java:147)
	at net.minecraft.server.MinecraftServer.void managedBlock(java.util.function.BooleanSupplier)(MinecraftServer.java:823)
	at net.minecraft.server.MinecraftServer.void waitUntilNextTick()(MinecraftServer.java:830)
	at net.minecraft.server.MinecraftServer.void prepareLevels(net.minecraft.server.level.progress.ChunkProgressListener)(MinecraftServer.java:521)
	at net.minecraft.server.MinecraftServer.void loadLevel()(MinecraftServer.java:358)
	at net.minecraft.client.server.IntegratedServer.boolean initServer()(IntegratedServer.java:73)
	at net.minecraft.server.MinecraftServer.void runServer()(MinecraftServer.java:672)
	at net.minecraft.server.MinecraftServer.net.minecraft.server.MinecraftServer spin(java.util.function.Function)(MinecraftServer.java:291)
	at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:291)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:291)
	at net.minecraft.server.MinecraftServer.void lambda$spin$2(java.util.concurrent.atomic.AtomicReference)(MinecraftServer.java:291)
	at java.base/java.lang.Thread.run(Thread.java:1583)

-- System Details --
Details:
	Minecraft Version: 25w04a
	Minecraft Version ID: 25w04a
	Operating System: Windows 11 (amd64) version 10.0
	Java Version: 21.0.3, Microsoft
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
	Memory: 278604304 bytes (265 MiB) / 817889280 bytes (780 MiB) up to 2684354560 bytes (2560 MiB)
	CPUs: 8
	Processor Vendor: GenuineIntel
	Processor Name: Intel(R) Core(TM) i5-10210U CPU @ 1.60GHz
	Identifier: Intel64 Family 6 Model 142 Stepping 12
	Microarchitecture: Whiskey Lake
	Frequency (GHz): 2.11
	Number of physical packages: 1
	Number of physical CPUs: 4
	Number of logical CPUs: 8
	Graphics card #0 name: Intel(R) UHD Graphics
	Graphics card #0 vendor: Intel Corporation
	Graphics card #0 VRAM (MiB): 1024.00
	Graphics card #0 deviceId: VideoController1
	Graphics card #0 versionInfo: 30.0.100.9864
	Graphics card #1 name: NVIDIA GeForce MX330
	Graphics card #1 vendor: NVIDIA
	Graphics card #1 VRAM (MiB): 2048.00
	Graphics card #1 deviceId: VideoController2
	Graphics card #1 versionInfo: 30.0.14.7219
	Memory slot #0 capacity (MiB): 4096.00
	Memory slot #0 clockSpeed (GHz): 2.67
	Memory slot #0 type: DDR4
	Memory slot #1 capacity (MiB): 4096.00
	Memory slot #1 clockSpeed (GHz): 2.67
	Memory slot #1 type: DDR4
	Virtual memory max (MiB): 19801.68
	Virtual memory used (MiB): 11505.16
	Swap memory total (MiB): 11776.00
	Swap memory used (MiB): 4149.54
	Space in storage for jna.tmpdir (MiB): available: 120524.80, total: 137011.19
	Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 120524.80, total: 137011.19
	Space in storage for io.netty.native.workdir (MiB): available: 120524.80, total: 137011.19
	Space in storage for java.io.tmpdir (MiB): available: 139259.98, total: 204800.00
	Space in storage for workdir (MiB): available: 120524.80, total: 137011.19
	JVM Flags: 6 total; -XX:+UseG1GC -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmn384m -Xmx2560m
	Server Running: true
	Player Count: 0 / 8; []
	Active Data Packs: vanilla
	Available Data Packs: minecart_improvements, redstone_experiments, trade_rebalance, vanilla
	Enabled Feature Flags: minecraft:vanilla
	World Generation: Stable
	World Seed: 114514
	Suppressed Exceptions: ~~NONE~~
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Client jar signature and brand is untouched; Server jar signature and brand is untouched
	Launched Version: 25w04a