Server crash #2

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 8/9/19 12:12 AM
Description: Exception while updating neighbours

java.util.ConcurrentModificationException
	at java.util.HashMap$HashIterator.nextNode(HashMap.java:1437)
	at java.util.HashMap$KeyIterator.next(HashMap.java:1461)
	at vk.a(SourceFile:1037)
	at bhr.a(SourceFile:233)
	at bog.a(SourceFile:237)
	at bvt.a(SourceFile:245)
	at bhr.a(SourceFile:353)
	at bhr.b(SourceFile:322)
	at bmm.a(SourceFile:122)
	at bmm.a(SourceFile:90)
	at bmm.b(SourceFile:66)
	at bvt.a(SourceFile:265)
	at vk.b(SourceFile:565)
	at bie.b(SourceFile:87)
	at vk.a(SourceFile:320)
	at net.minecraft.server.MinecraftServer.b(SourceFile:835)
	at uk.b(SourceFile:343)
	at net.minecraft.server.MinecraftServer.a(SourceFile:774)
	at net.minecraft.server.MinecraftServer.run(SourceFile:642)
	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$HashIterator.nextNode(HashMap.java:1437)
	at java.util.HashMap$KeyIterator.next(HashMap.java:1461)
	at vk.a(SourceFile:1037)
	at bhr.a(SourceFile:233)
	at bog.a(SourceFile:237)
	at bvt.a(SourceFile:245)

-- Block being updated --
Details:
	Source block type: ID #minecraft:spruce_pressure_plate (block.minecraft.spruce_pressure_plate // bqu)
	Block: Block{minecraft:spruce_door}[facing=south,half=lower,hinge=left,open=true,powered=true]
	Block location: World: (-141,67,37), Chunk: (at 3,4,5 in -9,2; contains blocks -144,0,32 to -129,255,47), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
	at bhr.a(SourceFile:353)
	at bhr.b(SourceFile:322)
	at bmm.a(SourceFile:122)
	at bmm.a(SourceFile:90)
	at bmm.b(SourceFile:66)
	at bvt.a(SourceFile:265)
	at vk.b(SourceFile:565)

-- Block being ticked --
Details:
	Block location: World: (-141,67,36), Chunk: (at 3,4,4 in -9,2; contains blocks -144,0,32 to -129,255,47), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
Stacktrace:
	at bie.b(SourceFile:87)
	at vk.a(SourceFile:320)

-- Affected level --
Details:
	All players: 1 total; [vl['xKyven'/422, l='The Crusty Bread Awakens', x=-10.49, y=79.00, z=87.37]]
	Chunk stats: ServerChunkCache: 2501
	Level dimension: minecraft:overworld
	Level name: The Crusty Bread Awakens
	Level seed: -8196678501575282666
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options: {}
	Level spawn location: World: (-29,74,255), Chunk: (at 3,4,15 in -2,15; contains blocks -32,0,240 to -17,255,255), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 463782404 game time, 471958754 day time
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 85575 (now: false), thunder time: 102463 (now: false)
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Stacktrace:
	at net.minecraft.server.MinecraftServer.b(SourceFile:835)
	at uk.b(SourceFile:343)
	at net.minecraft.server.MinecraftServer.a(SourceFile:774)
	at net.minecraft.server.MinecraftServer.run(SourceFile:642)
	at java.lang.Thread.run(Thread.java:748)

-- System Details --
Details:
	Minecraft Version: 1.14.4
	Minecraft Version ID: 1.14.4
	Operating System: Linux (amd64) version 3.10.0-862.14.4.el7.x86_64
	Java Version: 1.8.0_131, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 385434808 bytes (367 MB) / 1073741824 bytes (1024 MB) up to 1073741824 bytes (1024 MB)
	CPUs: 8
	JVM Flags: 17 total; -XX:+UnlockExperimentalVMOptions -Xmx1024M -Xms1024M -XX:MetaspaceSize=32m -XX:MaxMetaspaceSize=256m -XX:CompressedClassSpaceSize=64m -XX:+UseCompressedOops -XX:+UseCompressedClassPointers -XX:+UseG1GC -XX:+UnlockExperimentalVMOptions -XX:+DisableExplicitGC -XX:MaxGCPauseMillis=100 -XX:TargetSurvivorRatio=90 -XX:G1MixedGCLiveThresholdPercent=35 -XX:+ParallelRefProcEnabled -XX:G1NewSizePercent=50 -XX:G1MaxNewSizePercent=80
	Player Count: 1 / 5; [vl['xKyven'/422, l='The Crusty Bread Awakens', x=-10.49, y=79.00, z=87.37]]
	Data Packs: vanilla, file/ZeroGrief.zip (incompatible), file/Kyvens_Golem_Rework_V1.zip (incompatible)
	Is Modded: Unknown (can't tell)
	Type: Dedicated Server (map_server.txt)