Minecraft Crashing while im exploring and loading chunks

[theEMA]

Hello guys i get this error Idk where is the problem, i look into internet and i didnt found anything;

So, there is no mod crash i came here, i tryed loading chunks with a map mod but its not working too.

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// Who set us up the TNT?

Time: 7/7/19 12:18 PM
Description: Exception ticking world

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
	at java.util.HashMap$ValueIterator.next(HashMap.java:1458)
	at net.minecraft.world.chunk.Chunk.func_76623_d(Chunk.java:870)
	at net.minecraft.world.gen.ChunkProviderServer.func_73156_b(ChunkProviderServer.java:269)
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:207)
	at net.optifine.override.WorldServerOF.func_72835_b(WorldServerOF.java:39)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:756)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:252)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
	at java.lang.Thread.run(Thread.java:745)


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

-- Head --
Thread: Server thread
Stacktrace:
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
	at java.util.HashMap$ValueIterator.next(HashMap.java:1458)
	at net.minecraft.world.chunk.Chunk.func_76623_d(Chunk.java:870)
	at net.minecraft.world.gen.ChunkProviderServer.func_73156_b(ChunkProviderServer.java:269)
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:207)
	at net.optifine.override.WorldServerOF.func_72835_b(WorldServerOF.java:39)

-- Affected level --
Details:
	Level name: Xeno Corp
	All players: 1 total; [EntityPlayerMP['theEMA'/102, l='Xeno Corp', x=121.36, y=76.00, z=-299.47]]
	Chunk stats: ServerChunkCache: 406 Drop: 13
	Level seed: 1382178328
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (-224,64,-120), Chunk: (at 0,4,8 in -14,-8; contains blocks -224,0,-128 to -209,255,-113), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
	Level time: 102797 game time, 99248 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 153266 (now: false), thunder time: 101557 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:756)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
	at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:252)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
	at java.lang.Thread.run(Thread.java:745)

-- System Details --
Details:
	Minecraft Version: 1.12.2
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 718543296 bytes (685 MB) / 2013265920 bytes (1920 MB) up to 3221225472 bytes (3072 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	FML: MCP 9.42 Powered by Forge 14.23.5.2835 Optifine OptiFine_1.12.2_HD_U_E3 33 mods loaded, 33 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

	| State  | ID                  | Version           | Source                                                | Signature                                |
	|:------ |:------------------- |:----------------- |:----------------------------------------------------- |:---------------------------------------- |
	| LCHIJA | minecraft           | 1.12.2            | minecraft.jar                                         | None                                     |
	| LCHIJA | mcp                 | 9.42              | minecraft.jar                                         | None                                     |
	| LCHIJA | FML                 | 8.0.99.99         | forge-1.12.2-14.23.5.2835.jar                         | e3c3d50c7c986df74c645c0ac54639741c90a557 |
	| LCHIJA | forge               | 14.23.5.2835      | forge-1.12.2-14.23.5.2835.jar                         | e3c3d50c7c986df74c645c0ac54639741c90a557 |
	| LCHIJA | securitycraft       | v1.8.12           | [1.12.2]+SecurityCraft+v1.8.12.jar                    | None                                     |
	| LCHIJA | appliedenergistics2 | rv6-stable-6      | appliedenergistics2-rv6-stable-6.jar                  | dfa4d3ac143316c6f32aa1a1beda1e34d42132e5 |
	| LCHIJA | baubles             | 1.5.2             | Baubles-1.12-1.5.2.jar                                | None                                     |
	| LCHIJA | extendedrenderer    | v1.0              | coroutil-1.12.1-1.2.32.jar                            | None                                     |
	| LCHIJA | coroutil            | 1.12.1-1.2.32     | coroutil-1.12.1-1.2.32.jar                            | None                                     |
	| LCHIJA | configmod           | v1.0              | coroutil-1.12.1-1.2.32.jar                            | None                                     |
	| LCHIJA | eleccore            | 1.9.452           | ElecCore-1.12.2-1.9.452.jar                           | None                                     |
	| LCHIJA | hw_inv              | 1.12.1-1.1.9      | hostileworlds_invasions-1.12.1-1.1.9.jar              | None                                     |
	| LCHIJA | huds                | #VERSION#         | Huds-1.12.2-1.0.3.jar                                 | None                                     |
	| LCHIJA | waila               | 1.8.26            | Hwyla-1.8.26-B41_1.12.2.jar                           | None                                     |
	| LCHIJA | improvedbackpacks   | 1.12.2-1.4.0.0    | ImprovedBackpacks-1.12.2-1.4.0.0.jar                  | None                                     |
	| LCHIJA | ic2                 | 2.8.109-ex112     | industrialcraft-2-2.8.109-ex112.jar                   | de041f9f6187debbc77034a344134053277aa3b0 |
	| LCHIJA | industrialrenewal   | 0.11.0            | IndustrialRenewal_1.12.2-0.11.0.jar                   | None                                     |
	| LCHIJA | ironchest           | 1.12.2-7.0.67.844 | ironchest-1.12.2-7.0.69.845.jar                       | None                                     |
	| LCHIJA | jei                 | 4.15.0.268        | jei_1.12.2-4.15.0.268.jar                             | None                                     |
	| LCHIJA | journeymap          | 1.12.2-5.5.4      | journeymap-1.12.2-5.5.4.jar                           | None                                     |
	| LCHIJA | lostcities          | 2.0.20            | lostcities-1.12-2.0.20.jar                            | None                                     |
	| LCHIJA | lostsouls           | 1.1.4             | lostsouls-1.12-1.1.4.jar                              | None                                     |
	| LCHIJA | redstoneflux        | 2.1.0             | RedstoneFlux-1.12-2.1.0.6-universal (1).jar           | 8a6abf2cb9e141b866580d369ba6548732eff25f |
	| LCHIJA | mekanism            | 1.12.2-9.7.4.375  | Mekanism-1.12.2-9.7.4.375.jar                         | None                                     |
	| LCHIJA | omlib               | 3.1.3-246         | omlib-1.12.2-3.1.3-246.jar                            | None                                     |
	| LCHIJA | openmodularturrets  | 3.1.3-355         | openmodularturrets-1.12.2-3.1.3-355.jar               | None                                     |
	| LCHIJA | pe2                 | 1.69              | PlatinumFences-unstable-test-beta.b.1.0.jar           | None                                     |
	| LCHIJA | roughmobs           | 2.0.0             | roughmobs2-1.12.2_2.0.15.jar                          | None                                     |
	| LCHIJA | trapcraft           | v2.4.3a           | Trapcraft-1.12.2-2.4.4-universal.jar                  | None                                     |
	| LCHIJA | treechopper         | 1.2.4             | TreeChopper-1.12.2-1.2.4 (1).jar                      | None                                     |
	| LCHIJA | worldedit           | 6.1.10-SNAPSHOT   | worldedit-forge-mc1.12.2-6.1.10-SNAPSHOT-dist (1).jar | None                                     |
	| LCHIJA | zombieawareness     | 1.12.1-1.11.16    | zombieawareness-1.12.1-1.11.16.jar                    | None                                     |
	| LCHIJA | eleccoreloader      | 1.9.452           | ElecCore-1.12.2-1.9.452.jar                           | None                                     |

	Loaded coremods (and transformers): 
	GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
	AE2 Version: stable rv6-stable-6 for Forge 14.23.5.2768
	AE2 Integration: IC2:ON, RC:OFF, MFR:OFF, Waila:ON, InvTweaks:OFF, JEI:ON, Mekanism:ON, OpenComputers:OFF, THE_ONE_PROBE:OFF, TESLA:OFF, CRAFTTWEAKER:OFF
	Profiler Position: N/A (disabled)
	Player Count: 1 / 8; [EntityPlayerMP['theEMA'/102, l='Xeno Corp', x=121.36, y=76.00, z=-299.47]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Definitely; Client brand changed to 'fml,forge'

And i can send you my world in case thats the problem

Edited July 7, 2019 by theEMA
forget

[DaemonUmbra]

Try without Optifine

[quadraxis]

Update Forge.