---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 7/31/20 12:59 PM
Description: Batching chunks

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
	at java.util.HashMap$KeyIterator.next(HashMap.java:1453)
	at java.util.AbstractCollection.addAll(AbstractCollection.java:343)
	at java.util.HashSet.<init>(HashSet.java:119)
	at com.google.common.collect.Sets.newHashSet(Sets.java:273)
	at een$c.a(SourceFile:388)
	at een$c.a(SourceFile:225)
	at een$c$b.a(SourceFile:435)
	at een.a(SourceFile:136)
	at een$$Lambda$3494/413560550.apply(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniCompose(CompletableFuture.java:952)
	at java.util.concurrent.CompletableFuture$UniCompose.tryFire(CompletableFuture.java:926)
	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
	at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1624)
	at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1610)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)


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

-- Head --
Thread: Render thread
Stacktrace:
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
	at java.util.HashMap$KeyIterator.next(HashMap.java:1453)
	at java.util.AbstractCollection.addAll(AbstractCollection.java:343)
	at java.util.HashSet.<init>(HashSet.java:119)
	at com.google.common.collect.Sets.newHashSet(Sets.java:273)
	at een$c.a(SourceFile:388)

-- Affected level --
Details:
	All players: 1 total; [ebf['RWQFSFASXC395248'/166, l='ClientLevel', x=18.30, y=197.00, z=-308.21]]
	Chunk stats: Client Chunk Cache: 729, 484
	Level dimension: minecraft:overworld
	Level spawn location: World: (0,100,0), Chunk: (at 0,6,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 15677794 game time, 7064622 day time
	Server brand: vanilla
	Server type: Non-integrated multiplayer server
Stacktrace:
	at dym.a(SourceFile:449)
	at dlx.c(SourceFile:2181)
	at een.a(SourceFile:140)
	at een$$Lambda$3495/1016156372.accept(Unknown Source)
	at java.util.concurrent.CompletableFuture.uniWhenComplete(CompletableFuture.java:760)
	at java.util.concurrent.CompletableFuture$UniWhenComplete.tryFire(CompletableFuture.java:736)
	at java.util.concurrent.CompletableFuture.postComplete(CompletableFuture.java:474)
	at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1624)
	at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1610)
	at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289)
	at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056)
	at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689)
	at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157)

-- System Details --
Details:
	Minecraft Version: 1.16.1
	Minecraft Version ID: 1.16.1
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 1249629144 bytes (1191 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
	CPUs: 6
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Launched Version: 1.16.1
	Backend library: LWJGL version 3.2.2 build 10
	Backend API: ~~ERROR~~ IllegalStateException: Rendersystem called from wrong thread
	GL Caps: Using framebuffer using OpenGL 3.0
	Using VBOs: Yes
	Is Modded: Probably not. Jar signature remains and client brand is untouched.
	Type: Client (map_client.txt)
	Resource Packs: vanilla
	Current Language: English (US)
	CPU: 6x AMD FX(tm)-6300 Six-Core Processor