---- Minecraft Crash Report ---- // Don't be sad, have a hug! <3 Time: 2026-10-27 19:57:07 Description: Exception chunk generation/loading java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 320 at net.minecraft.world.level.levelgen.carver.CanyonWorldCarver.shouldSkip(CanyonWorldCarver.java:119) at net.minecraft.world.level.levelgen.carver.CanyonWorldCarver.lambda$doCarve$0(CanyonWorldCarver.java:93) at net.minecraft.world.level.levelgen.carver.WorldCarver.carveEllipsoid(WorldCarver.java:66) at net.minecraft.world.level.levelgen.carver.CanyonWorldCarver.doCarve(CanyonWorldCarver.java:93) at net.minecraft.world.level.levelgen.carver.CanyonWorldCarver.carve(CanyonWorldCarver.java:49) at net.minecraft.world.level.levelgen.NoiseBasedChunkGenerator.generateCarvingMask(NoiseBasedChunkGenerator.java:229) at net.minecraft.world.level.levelgen.NoiseBasedChunkGenerator.buildTerrain(NoiseBasedChunkGenerator.java:281) at net.minecraft.world.level.levelgen.NoiseBasedChunkGenerator.lambda$buildTerrain$0(NoiseBasedChunkGenerator.java:265) at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1789) at java.base/java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1781) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:511) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1450) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:2019) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:187) Suppressed: java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 320 ... 14 more A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace: at net.minecraft.world.level.levelgen.carver.CanyonWorldCarver.shouldSkip(CanyonWorldCarver.java:119) at net.minecraft.world.level.levelgen.carver.CanyonWorldCarver.lambda$doCarve$0(CanyonWorldCarver.java:93) at net.minecraft.world.level.levelgen.carver.WorldCarver.carveEllipsoid(WorldCarver.java:66) at net.minecraft.world.level.levelgen.carver.CanyonWorldCarver.doCarve(CanyonWorldCarver.java:93) at net.minecraft.world.level.levelgen.carver.CanyonWorldCarver.carve(CanyonWorldCarver.java:49) at net.minecraft.world.level.levelgen.NoiseBasedChunkGenerator.generateCarvingMask(NoiseBasedChunkGenerator.java:229) at net.minecraft.world.level.levelgen.NoiseBasedChunkGenerator.buildTerrain(NoiseBasedChunkGenerator.java:281) -- Uptime -- Details: JVM uptime: 191.472s Wall uptime: 184.393s High-res time: 184.150s Client ticks: 3609 ticks / 180.450s Stacktrace: at net.minecraft.client.Minecraft.fillReport(Minecraft.java:2546) at net.minecraft.client.Minecraft.emergencySaveAndCrash(Minecraft.java:1018) at net.minecraft.client.Minecraft.run(Minecraft.java:995) at net.minecraft.client.main.Main.main(Main.java:292) at org.prismlauncher.launcher.impl.StandardLauncher.launch(StandardLauncher.java:115) at org.prismlauncher.EntryPoint.listen(EntryPoint.java:129) at org.prismlauncher.EntryPoint.main(EntryPoint.java:70) -- Window -- Details: Error section: Pre render -- Affected level -- Details: Players in level: 1 total; LocalPlayer{name=[name redacted], id=17, pos=[-15.50,74.10,19.50], mode=CREATIVE, permission=owner} Chunk stats: 1521, 108 Level dimension: minecraft:overworld Level time: 41 game time, 41 day time Level spawn location: World: (-16,71,16), Section: (at 0,7,0 in -1,4,1; chunk contains blocks -16,-64,16 to -1,319,31), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,-64,0 to -1,319,511) Server brand: vanilla Server type: Integrated singleplayer server Tracked entity count: 94 Client weather: Raining: false, thundering: false -- Last reload -- Details: Reload number: 1 Reload reason: initial Finished: Yes Packs: vanilla, vanilla -- System Details -- Details: Minecraft Version: 26.4 Snapshot 6 Minecraft Version ID: 26.4-snapshot-6 Operating System: Windows 11 (amd64) version 10.0 Java Version: 25.0.4.1, Eclipse Adoptium Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium Memory: 216327864 bytes (206 MiB) / 790626304 bytes (754 MiB) up to 4294967296 bytes (4096 MiB) Memory (heap): init: 512MiB, used: 545MiB, committed: 754MiB, max: 4096MiB Memory (non-heap): init: 007MiB, used: 208MiB, committed: 216MiB, max: 000MiB CPUs: 16 Processor Vendor: AuthenticAMD Processor Name: AMD Ryzen 7 250 w/ Radeon 780M Graphics Identifier: AuthenticAMD Family 25 Model 117 Stepping 2 Microarchitecture: Zen 3 Frequency (GHz): 3.29 Number of physical packages: 1 Number of physical CPUs: 8 Number of logical CPUs: 16 Graphics card #0 name: AMD Radeon 780M Graphics Graphics card #0 vendor: Advanced Micro Devices, Inc. Graphics card #0 VRAM (MiB): 1953.31 Graphics card #0 deviceId: VideoController1 Graphics card #0 versionInfo: 32.0.31033.3 Memory slot #0 capacity (MiB): 32768.00 Memory slot #0 clockSpeed (GHz): 5.60 Memory slot #0 type: DDR5 Virtual memory max (MiB): 32596.75 Virtual memory used (MiB): 30055.45 Swap memory total (MiB): 2218.11 Swap memory used (MiB): 551.42 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: 98062.16, total: 486109.00 Space in storage for workdir (MiB): available: 98062.16, total: 486109.00 Operating System Version: Microsoft Windows 11 build 26300 Process Elevated: false Process Loads: Uptime: 191s, user: 187s (97.89%), kernel: 15s (8.05%), total: 202s (105.94%) Process Virtual Size (MiB): 833.69 Process Resident Size (MiB): 2234.09 Process Resident Private Size (MiB): 2156.57 JVM Flags: 4 total; -XX:StackShadowPages=32 -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xms512m -Xmx4096m Debug Flags: 0 total; Launched Version: 26.4-snapshot-6 Launcher name: PrismLauncher Backend library: LWJGL version 3.4.3+4 Window size: 1920x1121 Surface Info: FIFO, 1920 x 1121 SDL Platform: Windows Graphics Device: AMD Radeon 780M Graphics Graphics Backend: Vulkan Graphics Vendor: AMD Graphics Drivers: 1.4.349 AMD proprietary driver 26.10.33 (LLPC) Graphics Device Extensions: VK_EXT_calibrated_timestamps (D), VK_KHR_synchronization2 (D), VK_KHR_external_memory_win32 (D), VK_AMD_buffer_marker (D), VK_EXT_vertex_attribute_divisor (D), VK_KHR_win32_surface (I), VK_KHR_swapchain (D), VK_KHR_surface (I), VK_KHR_external_semaphore_win32 (D), VK_EXT_debug_utils (I) Graphics Device Type: INTEGRATED Graphics Device Features: DeviceFeatures[dxgiSurface=true, wireframeFillMode=true, shaderDrawParameters=true, multiDrawDirectInterleaved=false, multiDrawDirectSeparate=false, multiDrawIndirect=true, drawIndirect=true, nonZeroFirstInstance=true, persistentMapping=true] GL debug messages: Is Modded: Probably not. Client jar signature and brand is untouched Universe: 400921fb54442d18 Type: Client Transparency: regular Render Distance: 16/16 chunks Narrator config: OFF Narrator status: true Resource Packs: vanilla Sound Cache: 316904 bytes in 7 buffers Current Language: en_us Locale: en_US System encoding: Cp1257 File encoding: UTF-8 CPU: 16x AMD Ryzen 7 250 w/ Radeon 780M Graphics Server Running: true All players: 1 / 8; ServerPlayer{name=[name redacted], id=17, pos=[-15.50,74.10,19.50], mode=CREATIVE, permission=owner, level=ServerLevel[New World], debug=vanilla(0 mods)} Active Data Packs: vanilla, file/flsdlkf (incompatible) Available Data Packs: file/flsdlkf (incompatible), minecart_improvements, redstone_experiments, trade_rebalance, vanilla Enabled Feature Flags: minecraft:vanilla World Generation: Experimental World Seed: 8852878486076690887 Suppressed Exceptions: ~~NONE~~ Type: Integrated Server Is Modded: Probably not. Client jar signature and brand is untouched; Server jar signature and brand is untouched Launched Version: 26.4-snapshot-6