---- Minecraft Crash Report ---- // I feel sad now :( Time: 2026-10-19 15:30:54 Description: Exception ticking world java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 129 at it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.fixPointers(LongLinkedOpenHashSet.java:814) at it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.shiftKeys(LongLinkedOpenHashSet.java:489) at it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.removeEntry(LongLinkedOpenHashSet.java:496) at it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.remove(LongLinkedOpenHashSet.java:521) at net.minecraft.world.level.lighting.LeveledPriorityQueue.dequeue(LeveledPriorityQueue.java:42) at net.minecraft.world.level.lighting.DynamicGraphMinFixedPoint.checkEdge(DynamicGraphMinFixedPoint.java:116) at net.minecraft.world.level.lighting.DynamicGraphMinFixedPoint.checkNeighbor(DynamicGraphMinFixedPoint.java:137) at net.minecraft.server.level.ChunkTracker.checkNeighborsAfterUpdate(ChunkTracker.java:31) at net.minecraft.world.level.lighting.DynamicGraphMinFixedPoint.runUpdates(DynamicGraphMinFixedPoint.java:167) at net.minecraft.server.level.SimulationChunkTracker.runAllUpdates(SimulationChunkTracker.java:47) at net.minecraft.server.level.DistanceManager.runAllUpdates(DistanceManager.java:75) at net.minecraft.server.level.ServerChunkCache.runDistanceManagerUpdates(ServerChunkCache.java:273) at net.minecraft.server.level.ServerChunkCache.tick(ServerChunkCache.java:315) at net.minecraft.server.level.ServerLevel.tick(ServerLevel.java:403) at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1116) at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:980) at net.minecraft.server.dedicated.DedicatedServer.tickServer(DedicatedServer.java:278) at net.minecraft.server.MinecraftServer.processPacketsAndTick(MinecraftServer.java:1013) at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:752) at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:310) at java.base/java.lang.Thread.run(Thread.java:1474) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Server thread Stacktrace: at it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.fixPointers(LongLinkedOpenHashSet.java:814) at it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.shiftKeys(LongLinkedOpenHashSet.java:489) at it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.removeEntry(LongLinkedOpenHashSet.java:496) at it.unimi.dsi.fastutil.longs.LongLinkedOpenHashSet.remove(LongLinkedOpenHashSet.java:521) at net.minecraft.world.level.lighting.LeveledPriorityQueue.dequeue(LeveledPriorityQueue.java:42) at net.minecraft.world.level.lighting.DynamicGraphMinFixedPoint.checkEdge(DynamicGraphMinFixedPoint.java:116) at net.minecraft.world.level.lighting.DynamicGraphMinFixedPoint.checkNeighbor(DynamicGraphMinFixedPoint.java:137) at net.minecraft.server.level.ChunkTracker.checkNeighborsAfterUpdate(ChunkTracker.java:31) at net.minecraft.world.level.lighting.DynamicGraphMinFixedPoint.runUpdates(DynamicGraphMinFixedPoint.java:167) at net.minecraft.server.level.SimulationChunkTracker.runAllUpdates(SimulationChunkTracker.java:47) at net.minecraft.server.level.DistanceManager.runAllUpdates(DistanceManager.java:75) at net.minecraft.server.level.ServerChunkCache.runDistanceManagerUpdates(ServerChunkCache.java:273) at net.minecraft.server.level.ServerChunkCache.tick(ServerChunkCache.java:315) -- Affected level -- Details: All players: 0 total; Chunk stats: 1764 Level dimension: minecraft:overworld Level time: 205 game time, 205 day time Level spawn location: World: (0,68,32), Section: (at 0,4,0 in 0,4,2; chunk contains blocks 0,-64,32 to 15,319,47), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,-64,0 to 511,319,511) Level name: world Level game mode: Game mode: survival (ID 0). Hardcore: false. Commands: false Known server brands: vanilla Removed feature flags: Level was modded: false Level storage version: 0x04ABD - Anvil Loaded entity count: 25 Server weather: Rain time: 110737 (now: false), thunder time: 117391 (now: false) Stacktrace: at net.minecraft.server.level.ServerLevel.fillReportDetails(ServerLevel.java:1892) at net.minecraft.server.MinecraftServer.tickChildren(MinecraftServer.java:1119) at net.minecraft.server.MinecraftServer.tickServer(MinecraftServer.java:980) at net.minecraft.server.dedicated.DedicatedServer.tickServer(DedicatedServer.java:278) at net.minecraft.server.MinecraftServer.processPacketsAndTick(MinecraftServer.java:1013) at net.minecraft.server.MinecraftServer.runServer(MinecraftServer.java:752) at net.minecraft.server.MinecraftServer.lambda$spin$0(MinecraftServer.java:310) at java.base/java.lang.Thread.run(Thread.java:1474) -- System Details -- Details: Minecraft Version: 26.3 Minecraft Version ID: 26.3 Operating System: Linux (amd64) version 7.2.10-arch1-1 Java Version: 25.0.4.1, Eclipse Adoptium Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium Memory: 815501472 bytes (777 MiB) / 2176843776 bytes (2076 MiB) up to 8367636480 bytes (7980 MiB) Memory (heap): init: 500MiB, used: 1294MiB, committed: 2076MiB, max: 7980MiB Memory (non-heap): init: 007MiB, used: 150MiB, committed: 157MiB, max: 000MiB CPUs: 20 Processor Vendor: GenuineIntel Processor Name: 13th Gen Intel(R) Core(TM) i5-13600KF Identifier: Intel64 Family 6 Model 183 Stepping 1 Microarchitecture: Raptor Lake Frequency (GHz): -0.00 Number of physical packages: 1 Number of physical CPUs: 14 Number of logical CPUs: 20 Graphics card #0 name: unknown Graphics card #0 vendor: unknown Graphics card #0 VRAM (MiB): 0.00 Graphics card #0 deviceId: unknown Graphics card #0 versionInfo: unknown Virtual memory max (MiB): 20052.84 Virtual memory used (MiB): 20984.76 Swap memory total (MiB): 4096.00 Swap memory used (MiB): 0.00 Space in storage for jna.tmpdir (MiB): Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): Space in storage for io.netty.native.workdir (MiB): Space in storage for java.io.tmpdir (MiB): available: 732504.63, total: 1906703.13 Space in storage for workdir (MiB): available: 732504.63, total: 1906703.13 Operating System Version: GNU/Linux Ubuntu 26.04.1 LTS (Resolute Raccoon) build 7.2.10-arch1-1 Process Elevated: false Process Loads: Uptime: 12s, user: 95s (810.03%), kernel: 2s (21.13%), total: 98s (831.16%) Process Virtual Size (MiB): 15327.18 Process Resident Size (MiB): 2592.72 JVM Flags: 0 total; Debug Flags: 0 total; Server Running: true Player Count: 0 / 1000; [] Active Data Packs: vanilla, file/churn Available Data Packs: file/churn, minecart_improvements, redstone_experiments, trade_rebalance, vanilla Enabled Feature Flags: minecraft:vanilla World Generation: Stable World Seed: -1105931953582198800 Suppressed Exceptions: ~~NONE~~ Is Modded: Probably not. Server jar signature and brand is untouched Type: Dedicated Server