---- Minecraft Crash Report ---- // There are four lights! Time: 08.11.2021, 12:28 Description: Batching chunks java.util.ConcurrentModificationException at java.base/java.util.HashMap$HashIterator.nextNode(HashMap.java:1584) at java.base/java.util.HashMap$KeyIterator.next(HashMap.java:1607) at java.base/java.util.AbstractCollection.addAll(AbstractCollection.java:335) at java.base/java.util.HashSet.(HashSet.java:121) at com.google.common.collect.Sets.null newHashSet(null)(Sets.java:273) at net.minecraft.client.renderer.chunk.ChunkRenderDispatcher$RenderChunk.void updateGlobalBlockEntities(java.util.Set)(ChunkRenderDispatcher.java:401) at net.minecraft.client.renderer.chunk.ChunkRenderDispatcher$RenderChunk$RebuildTask.java.util.concurrent.CompletableFuture doTask(net.minecraft.client.renderer.ChunkBufferBuilderPack)(ChunkRenderDispatcher.java:448) at net.minecraft.client.renderer.chunk.ChunkRenderDispatcher.java.util.concurrent.CompletionStage lambda$runTask$1(net.minecraft.client.renderer.chunk.ChunkRenderDispatcher$RenderChunk$ChunkCompileTask,net.minecraft.client.renderer.ChunkBufferBuilderPack,java.lang.Void)(ChunkRenderDispatcher.java:132) at java.base/java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:1146) at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1806) at java.base/java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1792) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- Head -- Thread: Render thread Stacktrace: at java.base/java.util.HashMap$HashIterator.nextNode(HashMap.java:1584) at java.base/java.util.HashMap$KeyIterator.next(HashMap.java:1607) at java.base/java.util.AbstractCollection.addAll(AbstractCollection.java:335) at java.base/java.util.HashSet.(HashSet.java:121) -- Affected level -- Details: All players: 2 total; [emm['molore'/134, l='ClientLevel', x=-51.24, y=75.76, z=276.84], emn['p1xlem'/1578, l='ClientLevel', x=-57.73, y=69.83, z=286.26]] Chunk stats: 625, 441 Level dimension: minecraft:overworld Level spawn location: World: (-4556,180,-3601), Section: (at 4,4,15 in -285,11,-226; chunk contains blocks -4560,0,-3616 to -4545,255,-3601), Region: (-9,-8; contains chunks -288,-256 to -257,-225, blocks -4608,0,-4096 to -4097,255,-3585) Level time: 177319 game time, 2654014914 day time Server brand: Sadness Server type: Non-integrated multiplayer server Stacktrace: at net.minecraft.client.multiplayer.ClientLevel.net.minecraft.CrashReportCategory fillReportDetails(net.minecraft.CrashReport)(ClientLevel.java:370) at net.minecraft.client.Minecraft.net.minecraft.CrashReport fillReport(net.minecraft.CrashReport)(Minecraft.java:2399) at net.minecraft.client.renderer.chunk.ChunkRenderDispatcher.void lambda$runTask$3(net.minecraft.client.renderer.ChunkBufferBuilderPack,net.minecraft.client.renderer.chunk.ChunkRenderDispatcher$ChunkTaskResult,java.lang.Throwable)(ChunkRenderDispatcher.java:136) at java.base/java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:859) at java.base/java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:837) at java.base/java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:506) at java.base/java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1806) at java.base/java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1792) at java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:295) at java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1016) at java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1665) at java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1598) at java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:183) -- Last reload -- Details: Reload number: 1 Reload reason: initial Finished: Yes Packs: Default -- System Details -- Details: Minecraft Version: 1.17.1 Minecraft Version ID: 1.17.1 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: 571062336 bytes (544 MiB) / 1768947712 bytes (1687 MiB) up to 2147483648 bytes (2048 MiB) CPUs: 4 Processor Vendor: GenuineIntel Processor Name: Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz Identifier: Intel64 Family 6 Model 60 Stepping 3 Microarchitecture: Haswell (Client) Frequency (GHz): 3,30 Number of physical packages: 1 Number of physical CPUs: 4 Number of logical CPUs: 4 Graphics card #0 name: Intel(R) HD Graphics 4600 Graphics card #0 vendor: Intel Corporation (0x8086) Graphics card #0 VRAM (MB): 1024,00 Graphics card #0 deviceId: 0x0412 Graphics card #0 versionInfo: DriverVersion=20.19.15.4624 Graphics card #1 name: NVIDIA GeForce GTX 750 Ti Graphics card #1 vendor: NVIDIA (0x10de) Graphics card #1 VRAM (MB): 2048,00 Graphics card #1 deviceId: 0x1380 Graphics card #1 versionInfo: DriverVersion=27.21.14.6627 Memory slot #0 capacity (MB): 4096,00 Memory slot #0 clockSpeed (GHz): 1,60 Memory slot #0 type: DDR3 Memory slot #1 capacity (MB): 4096,00 Memory slot #1 clockSpeed (GHz): 1,60 Memory slot #1 type: DDR3 Memory slot #2 capacity (MB): 4096,00 Memory slot #2 clockSpeed (GHz): 1,60 Memory slot #2 type: DDR3 Memory slot #3 capacity (MB): 4096,00 Memory slot #3 clockSpeed (GHz): 1,60 Memory slot #3 type: DDR3 Virtual memory max (MB): 30043,80 Virtual memory used (MB): 23378,05 Swap memory total (MB): 13786,00 Swap memory used (MB): 1346,42 JVM Flags: 4 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmn256M -Xmx2G Launched Version: 1.17.1 Backend library: LWJGL version 3.2.2 build 10 Backend API: ERR Window size: 1920x1017 GL Caps: Using framebuffer using OpenGL 3.2 GL debug messages: Using VBOs: Yes Is Modded: Probably not. Jar signature remains and client brand is untouched. Type: Client (map_client.txt) Graphics mode: fancy Resource Packs: vanilla Current Language: English (Canada) CPU: 4x Intel(R) Core(TM) i5-4590 CPU @ 3.30GHz