---- Minecraft Crash Report ----
// Don't do that.

Time: 27/06/2021 01:07
Description: Unexpected error

java.lang.IllegalStateException: Lock is no longer valid
	at dib$a.i(SourceFile:304)
	at dib$a.f(SourceFile:366)
	at net.minecraft.server.MinecraftServer.B(SourceFile:815)
	at net.minecraft.server.MinecraftServer.A(SourceFile:810)
	at ena.a(GameRenderer.java:1156)
	at dvo.f(SourceFile:1114)
	at dvo.e(SourceFile:730)
	at net.minecraft.client.main.Main.main(SourceFile:217)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:159)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:30)


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

-- Head --
Thread: Render thread
Stacktrace:
	at dib$a.i(SourceFile:304)
	at dib$a.f(SourceFile:366)
	at net.minecraft.server.MinecraftServer.B(SourceFile:815)
	at net.minecraft.server.MinecraftServer.A(SourceFile:810)

-- Affected level --
Details:
	All players: 1 total; [eml['GutoMatHD'/309, l='ClientLevel', x=8.50, y=65.00, z=8.50]]
	Chunk stats: 841, 0
	Level dimension: minecraft:overworld
	Level spawn location: World: (8,64,8), Section: (at 8,0,8 in 0,4,0; chunk 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: 0 game time, 0 day time
	Server brand: ~~NULL~~
	Server type: Integrated singleplayer server
Stacktrace:
	at ejh.a(ClientLevel.java:476)
	at dvo.c(SourceFile:2399)
	at dvo.e(SourceFile:754)
	at net.minecraft.client.main.Main.main(SourceFile:217)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:78)
	at java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.base/java.lang.reflect.Method.invoke(Method.java:567)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:159)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:30)

-- Last reload --
Details:
	Reload number: 1
	Reload reason: initial
	Finished: Yes
	Packs: Default

-- System Details --
Details:
	Minecraft Version: 1.17
	Minecraft Version ID: 1.17
	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: 853397528 bytes (813 MiB) / 1677721600 bytes (1600 MiB) up to 2147483648 bytes (2048 MiB)
	CPUs: 4
	Processor Vendor: GenuineIntel
	Processor Name: Intel(R) Core(TM) i3-4005U CPU @ 1.70GHz
	Identifier: Intel64 Family 6 Model 69 Stepping 1
	Microarchitecture: Haswell (Client)
	Frequency (GHz): 1,70
	Number of physical packages: 1
	Number of physical CPUs: 2
	Number of logical CPUs: 4
	Graphics card #0 name: Intel(R) HD Graphics Family
	Graphics card #0 vendor: Intel Corporation (0x8086)
	Graphics card #0 VRAM (MB): 1024,00
	Graphics card #0 deviceId: 0x0a16
	Graphics card #0 versionInfo: DriverVersion=20.19.15.4835
	Memory slot #0 capacity (MB): 4096,00
	Memory slot #0 clockSpeed (GHz): 1,60
	Memory slot #0 type: DDR3
	Memory slot #1 capacity (MB): 8192,00
	Memory slot #1 clockSpeed (GHz): 1,60
	Memory slot #1 type: DDR3
	Virtual memory max (MB): 19780,55
	Virtual memory used (MB): 17713,93
	Swap memory total (MB): 7576,18
	Swap memory used (MB): 1005,02
	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: 1.17-OptiFine_HD_U_G9_pre23
	Backend library: LWJGL version 3.2.2 build 10
	Backend API: Intel(R) HD Graphics 4400 GL version 3.2.0 - Build 20.19.15.4835, Intel
	Window size: 1366x768
	GL Caps: Using framebuffer using OpenGL 3.2
	GL debug messages: 
	Using VBOs: Yes
	Is Modded: Very likely; Jar signature invalidated
	Type: Integrated Server (map_client.txt)
	Graphics mode: fancy
	Resource Packs: vanilla
	Current Language: English (US)
	CPU: 4x Intel(R) Core(TM) i3-4005U CPU @ 1.70GHz
	Player Count: 0 / 8; []
	Data Packs: vanilla
	OptiFine Version: OptiFine_1.17_HD_U_G9_pre23
	OptiFine Build: 20210627-012821
	Render Distance Chunks: 12
	Mipmaps: 4
	Anisotropic Filtering: 1
	Antialiasing: 0
	Multitexture: false
	Shaders: null
	OpenGlVersion: 3.2.0 - Build 20.19.15.4835
	OpenGlRenderer: Intel(R) HD Graphics 4400
	OpenGlVendor: Intel
	CpuCount: 4