---- Minecraft Crash Report ---- // Who set us up the TNT? Time: 2026-09-26 17:19:43 Description: Exception generating new chunk java.lang.NullPointerException: Cannot invoke "net.minecraft.world.level.block.state.BlockState.isAir()" because "block" is null at net.minecraft.world.level.levelgen.FlatLevelSource.getBaseColumn(FlatLevelSource.java:102) at net.minecraft.world.level.chunk.ChunkGenerator.getFirstFreeHeight(ChunkGenerator.java:622) at net.minecraft.world.level.levelgen.structure.pools.JigsawPlacement.addPieces(JigsawPlacement.java:313) at net.minecraft.world.level.levelgen.structure.structures.JigsawStructure.findGenerationPoint(JigsawStructure.java:105) at net.minecraft.world.level.levelgen.structure.Structure.findValidGenerationPoint(Structure.java:295) at net.minecraft.world.level.levelgen.structure.Structure.generate(Structure.java:207) at net.minecraft.world.level.chunk.ChunkGenerator.tryGenerateStructure(ChunkGenerator.java:557) at net.minecraft.world.level.chunk.ChunkGenerator.lambda$createStructures$0(ChunkGenerator.java:539) at java.base/java.lang.Iterable.forEach(Iterable.java:75) at net.minecraft.world.level.chunk.ChunkGenerator.createStructures(ChunkGenerator.java:492) at net.minecraft.world.level.chunk.status.ChunkStatusTasks.generateStructureStarts(ChunkStatusTasks.java:52) at net.minecraft.world.level.chunk.status.ChunkStep.apply(ChunkStep.java:36) at net.minecraft.server.level.ChunkMap.applyStep(ChunkMap.java:665) at net.minecraft.server.level.GenerationChunkHolder.applyStep(GenerationChunkHolder.java:87) at net.minecraft.server.level.ChunkGenerationTask.scheduleChunkInLayer(ChunkGenerationTask.java:144) at net.minecraft.server.level.ChunkGenerationTask.scheduleLayer(ChunkGenerationTask.java:121) at net.minecraft.server.level.ChunkGenerationTask.scheduleNextLayer(ChunkGenerationTask.java:72) at net.minecraft.server.level.ChunkGenerationTask.runUntilWait(ChunkGenerationTask.java:57) at net.minecraft.server.level.ChunkMap.lambda$runGenerationTask$0(ChunkMap.java:691) at net.minecraft.server.level.ChunkTaskDispatcher.lambda$scheduleForExecution$1(ChunkTaskDispatcher.java:88) at net.minecraft.util.thread.TaskScheduler.lambda$scheduleWithResult$0(TaskScheduler.java:21) at net.minecraft.util.Util.runNamed(Util.java:348) at net.minecraft.util.thread.AbstractConsecutiveExecutor.pollTask(AbstractConsecutiveExecutor.java:50) at net.minecraft.util.thread.AbstractConsecutiveExecutor.run(AbstractConsecutiveExecutor.java:60) at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.compute(ForkJoinTask.java:1750) at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.compute(ForkJoinTask.java:1742) at java.base/java.util.concurrent.ForkJoinTask$InterruptibleTask.exec(ForkJoinTask.java:1659) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:511) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1450) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:2019) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:187) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace: at net.minecraft.world.level.levelgen.FlatLevelSource.getBaseColumn(FlatLevelSource.java:102) at net.minecraft.world.level.chunk.ChunkGenerator.getFirstFreeHeight(ChunkGenerator.java:622) at net.minecraft.world.level.levelgen.structure.pools.JigsawPlacement.addPieces(JigsawPlacement.java:313) at net.minecraft.world.level.levelgen.structure.structures.JigsawStructure.findGenerationPoint(JigsawStructure.java:105) at net.minecraft.world.level.levelgen.structure.Structure.findValidGenerationPoint(Structure.java:295) at net.minecraft.world.level.levelgen.structure.Structure.generate(Structure.java:207) at net.minecraft.world.level.chunk.ChunkGenerator.tryGenerateStructure(ChunkGenerator.java:557) at net.minecraft.world.level.chunk.ChunkGenerator.lambda$createStructures$0(ChunkGenerator.java:539) at java.base/java.lang.Iterable.forEach(Iterable.java:75) at net.minecraft.world.level.chunk.ChunkGenerator.createStructures(ChunkGenerator.java:492) at net.minecraft.world.level.chunk.status.ChunkStatusTasks.generateStructureStarts(ChunkStatusTasks.java:52) at net.minecraft.world.level.chunk.status.ChunkStep.apply(ChunkStep.java:36) at net.minecraft.server.level.ChunkMap.applyStep(ChunkMap.java:665) at net.minecraft.server.level.GenerationChunkHolder.applyStep(GenerationChunkHolder.java:87) at net.minecraft.server.level.ChunkGenerationTask.scheduleChunkInLayer(ChunkGenerationTask.java:144) at net.minecraft.server.level.ChunkGenerationTask.scheduleLayer(ChunkGenerationTask.java:121) at net.minecraft.server.level.ChunkGenerationTask.scheduleNextLayer(ChunkGenerationTask.java:72) at net.minecraft.server.level.ChunkGenerationTask.runUntilWait(ChunkGenerationTask.java:57) at net.minecraft.server.level.ChunkMap.lambda$runGenerationTask$0(ChunkMap.java:691) at net.minecraft.server.level.ChunkTaskDispatcher.lambda$scheduleForExecution$1(ChunkTaskDispatcher.java:88) at net.minecraft.util.thread.TaskScheduler.lambda$scheduleWithResult$0(TaskScheduler.java:21) at net.minecraft.util.Util.runNamed(Util.java:348) at net.minecraft.util.thread.AbstractConsecutiveExecutor.pollTask(AbstractConsecutiveExecutor.java:50) -- Chunk to be generated -- Details: Status being generated: minecraft:structure_starts Location: 13,6 Position hash: 25769803789 Generator: net.minecraft.world.level.levelgen.FlatLevelSource@1fdd335a Stacktrace: at net.minecraft.server.level.ChunkMap.applyStep(ChunkMap.java:665) at net.minecraft.server.level.GenerationChunkHolder.applyStep(GenerationChunkHolder.java:87) at net.minecraft.server.level.ChunkGenerationTask.scheduleChunkInLayer(ChunkGenerationTask.java:144) at net.minecraft.server.level.ChunkGenerationTask.scheduleLayer(ChunkGenerationTask.java:121) at net.minecraft.server.level.ChunkGenerationTask.scheduleNextLayer(ChunkGenerationTask.java:72) at net.minecraft.server.level.ChunkGenerationTask.runUntilWait(ChunkGenerationTask.java:57) at net.minecraft.server.level.ChunkMap.lambda$runGenerationTask$0(ChunkMap.java:691) at net.minecraft.server.level.ChunkTaskDispatcher.lambda$scheduleForExecution$1(ChunkTaskDispatcher.java:88) at net.minecraft.util.thread.TaskScheduler.lambda$scheduleWithResult$0(TaskScheduler.java:21) at net.minecraft.util.Util.runNamed(Util.java:348) at net.minecraft.util.thread.AbstractConsecutiveExecutor.pollTask(AbstractConsecutiveExecutor.java:50) at net.minecraft.util.thread.AbstractConsecutiveExecutor.run(AbstractConsecutiveExecutor.java:60) at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.compute(ForkJoinTask.java:1750) at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.compute(ForkJoinTask.java:1742) at java.base/java.util.concurrent.ForkJoinTask$InterruptibleTask.exec(ForkJoinTask.java:1659) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:511) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1450) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:2019) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:187) -- ThreadInfo -- Details: Name: Worker-Main-12 Stacktrace: at net.minecraft.util.Util.onThreadException(Util.java:310) at java.base/java.util.concurrent.ForkJoinTask$RunnableExecuteAction.onAuxExceptionSet(ForkJoinTask.java:1757) at java.base/java.util.concurrent.ForkJoinTask.trySetException(ForkJoinTask.java:384) at java.base/java.util.concurrent.ForkJoinTask$InterruptibleTask.exec(ForkJoinTask.java:1661) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:511) at java.base/java.util.concurrent.ForkJoinPool$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) -- Uptime -- Details: JVM uptime: 149.175s Wall uptime: 138.404s High-res time: 138.075s Client ticks: 2612 ticks / 130.600s -- Window -- Details: Error section: Pre render -- Last reload -- Details: Reload number: 1 Reload reason: initial Finished: Yes Packs: vanilla, vanilla -- System Details -- Details: Minecraft Version: 26.4 Snapshot 1 Minecraft Version ID: 26.4-snapshot-1 Operating System: Windows 10 (amd64) version 10.0 Java Version: 25.0.1, Microsoft Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft Memory: 1530920960 bytes (1460 MiB) / 2147483648 bytes (2048 MiB) up to 4294967296 bytes (4096 MiB) Memory (heap): init: 2048MiB, used: 588MiB, committed: 2048MiB, max: 4096MiB Memory (non-heap): init: 007MiB, used: 207MiB, committed: 210MiB, max: 000MiB CPUs: 8 Processor Vendor: GenuineIntel Processor Name: Intel(R) Core(TM) i3-10100 CPU @ 3.60GHz Identifier: Intel64 Family 6 Model 165 Stepping 3 Microarchitecture: Comet Lake Frequency (GHz): 3.60 Number of physical packages: 1 Number of physical CPUs: 4 Number of logical CPUs: 8 Graphics card #0 name: Intel(R) UHD Graphics 630 Graphics card #0 vendor: Intel Corporation Graphics card #0 VRAM (MiB): 1024.00 Graphics card #0 deviceId: VideoController1 Graphics card #0 versionInfo: 27.20.100.9127 Graphics card #1 name: NVIDIA GeForce GTX 1060 6GB Graphics card #1 vendor: NVIDIA Graphics card #1 VRAM (MiB): 6144.00 Graphics card #1 deviceId: VideoController2 Graphics card #1 versionInfo: 32.0.15.6094 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): 30934.79 Virtual memory used (MiB): 25239.18 Swap memory total (MiB): 22876.78 Swap memory used (MiB): 4744.60 Space in storage for jna.tmpdir (MiB): available: 93832.87, total: 228271.20 Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 93832.87, total: 228271.20 Space in storage for io.netty.native.workdir (MiB): available: 93832.87, total: 228271.20 Space in storage for java.io.tmpdir (MiB): available: 93832.87, total: 228271.20 Space in storage for workdir (MiB): available: 93832.87, total: 228271.20 Operating System Version: Microsoft Windows 10 (Home) build 19045 Process Elevated: false Process Loads: Uptime: 148s, user: 71s (48.00%), kernel: 17s (11.74%), total: 88s (59.74%) Process Virtual Size (MiB): 2516.59 Process Resident Size (MiB): 403.38 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -XX:StackShadowPages=32 -Xms2G -Xmx4G -XX:+UseCompactObjectHeaders -XX:+AlwaysPreTouch -XX:+UseStringDeduplication -XX:+UseZGC Debug Flags: 0 total; Launched Version: 26.4-snapshot-1 Launcher name: minecraft-launcher Backend library: LWJGL version 3.4.3+4 Window size: 1920x1017 Surface Info: FIFO, 1920 x 1017 SDL Platform: Windows Graphics Device: NVIDIA GeForce GTX 1060 6GB/PCIe/SSE2 Graphics Backend: OpenGL Graphics Vendor: NVIDIA Corporation Graphics Drivers: 3.3.0 NVIDIA 560.94 Graphics Device Extensions: GL_ARB_multi_draw_indirect, GL_ARB_shader_draw_parameters, GL_ARB_base_instance, GL_KHR_debug, GL_ARB_draw_indirect, GL_ARB_clip_control, GL_ARB_vertex_attrib_binding, GL_ARB_direct_state_access, GL_EXT_texture_filter_anisotropic Graphics Device Type: OTHER Graphics Device Features: DeviceFeatures[wireframeFillMode=true, shaderDrawParameters=true, multiDrawDirectInterleaved=false, multiDrawDirectSeparate=true, multiDrawIndirect=true, drawIndirect=true, nonZeroFirstInstance=true, persistentMapping=false] 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: 48816 bytes in 1 buffers Current Language: en_us Locale: en_US System encoding: Cp1252 File encoding: UTF-8 CPU: 8x Intel(R) Core(TM) i3-10100 CPU @ 3.60GHz Server Running: true All players: 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: 8376291823196141932 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-1