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

Time: 4/15/20 2:51 PM
Description: Exception ticking world

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.remove(HashMap.java:1459)
	at net.minecraft.world.gen.ChunkProviderServer.func_73156_b(ChunkProviderServer.java:262)
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:207)
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:756)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
	at java.lang.Thread.run(Thread.java:748)


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.remove(HashMap.java:1459)
	at net.minecraft.world.gen.ChunkProviderServer.func_73156_b(ChunkProviderServer.java:262)
	at net.minecraft.world.WorldServer.func_72835_b(WorldServer.java:207)

-- Affected level --
Details:
	Level name: world
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 498 Drop: 243
	Level seed: 4407211904866498632
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: 
	Level spawn location: World: (12,64,-32), Chunk: (at 12,4,0 in 0,-2; contains blocks 0,0,-32 to 15,255,-17), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
	Level time: 7608544 game time, 5063459 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 34931 (now: false), thunder time: 10558 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:756)
	at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:397)
	at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
	at java.lang.Thread.run(Thread.java:748)

-- System Details --
Details:
	Minecraft Version: 1.12.2
	Operating System: FreeBSD (amd64) version 12.1-RELEASE-p3
	Java Version: 1.8.0_242, Oracle Corporation
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 260987104 bytes (248 MB) / 683438080 bytes (651 MB) up to 4260102144 bytes (4062 MB)
	JVM Flags: 4 total; -Xms256M -Xmx4G -XX:+UseConcMarkSweepGC -XX:+UseLargePages
	IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
	FML: MCP 9.42 Powered by Forge 14.23.5.2838 5 mods loaded, 5 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    | server.jar                          | e3c3d50c7c986df74c645c0ac54639741c90a557 |
	| LCHIJA | forge     | 14.23.5.2838 | server.jar                          | e3c3d50c7c986df74c645c0ac54639741c90a557 |
	| LCHIJA | pixelmon  | 7.2.2        | Pixelmon-1.12.2-7.2.2-universal.jar | None                                     |

	Loaded coremods (and transformers): 
	Profiler Position: N/A (disabled)
	Player Count: 0 / 20; []
	Is Modded: Definitely; Server brand changed to 'fml,forge'
	Type: Dedicated Server (map_server.txt)