Technical Specs (please complete the following information):

• Craft to Exile Version [2.3.2]
• World Type [LAN]
• RAM Allocation [8GB(5 for mincraft)]

Describe the bug
Just crash when play (random time)

Crast report :
---- Minecraft Crash Report ----
// There are four lights!

Time: 1/30/22 3:44 PM
Description: Unexpected error

java.util.ConcurrentModificationException
at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429)
at java.util.HashMap$EntryIterator.next(HashMap.java:1463)
at java.util.HashMap$EntryIterator.next(HashMap.java:1461)
at net.minecraft.class_1140.method_4857(class_1140.java:221)
at net.minecraft.class_1140.method_20185(class_1140.java:183)
at net.minecraft.class_1144.method_18670(class_1144.java:249)
at net.minecraft.class_310.method_1574(class_310.java:1566)
at net.minecraft.class_310.method_1523(class_310.java:1021)
at net.minecraft.class_310.method_1514(class_310.java:681)
at net.minecraft.client.main.Main.main(Main.java:215)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:608)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:77)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)

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$HashIterator.nextNode(HashMap.java:1429)
at java.util.HashMap$EntryIterator.next(HashMap.java:1463)
at java.util.HashMap$EntryIterator.next(HashMap.java:1461)
at net.minecraft.class_1140.method_4857(class_1140.java:221)
at net.minecraft.class_1140.method_20185(class_1140.java:183)
at net.minecraft.class_1144.method_18670(class_1144.java:249)

-- Affected level --
Details:
All players: 2 total; [class_746['Slonik_Bosss'/461, l='ClientLevel', x=-251.45, y=42.00, z=-80.92], class_745['DemaxioN'/1268, l='ClientLevel', x=-278.30, y=52.00, z=-96.55]]
Chunk stats: Client Chunk Cache: 121, 50
Level dimension: minecraft:overworld
Level spawn location: World: (-192,74,-48), Chunk: (at 0,4,0 in -12,-3; contains blocks -192,0,-48 to -177,255,-33), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 24798 game time, 24798 day time
Server brand: fabric
Server type: Integrated singleplayer server
Stacktrace:
at net.minecraft.class_638.method_8538(class_638.java:449)
at net.minecraft.class_310.method_1587(class_310.java:2239)
at net.minecraft.class_310.method_1514(class_310.java:704)
at net.minecraft.client.main.Main.main(Main.java:215)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:608)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:77)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)

-- System Details --
Details:
Minecraft Version: 1.16.5
Minecraft Version ID: 1.16.5
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: 2962145256 bytes (2824 MB) / 5368709120 bytes (5120 MB) up to 5368709120 bytes (5120 MB)
CPUs: 4
JVM Flags: 10 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmn128M -Xmx5117M -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Fabric Mods:
adorn: Adorn 1.14.2+1.16.5
adventurez: AdventureZ 1.2.6
allure: Allure 1.2.8
angerable-patch: Angerable Patch 1.1.0-1.16.4
anvil_fix: AnvilFix 1.2.1-1.16
appleskin: AppleSkin mc1.16.4-2.1.3
architectury: Architectury 1.25.36
artofalchemy: Art of Alchemy: Memoriam 1.1.0+1.16.5
audiooutput: AudioOutput 0.0.3
authme: Auth Me 1.4.0
autoconfig1u: Auto Config v1 Updated 3.3.1
autoconfigtoml: AutoConfig-TOML 1.0.0-fabric
balance_of_exile: Balance of Exile 1.0.5
bclib: BCLib 0.1.45
bettercaves: YUNG's Better Caves 1.16.5-1.2
betterdroppeditems: Better Dropped Items 1.2.4-1.16.2
betterdungeons: YUNG's Better Dungeons 1.16.5-1.0.1
betterend: Better End 0.9.8.5-pre
bettermineshafts: YUNG's Better Mineshafts 1.16.4-1.0.2
betternether: Better Nether 5.0.7
betterpingdisplay: Better Ping Display 1.1
betterstrongholds: YUNG's Better Strongholds 1.16.5-1.1.1
betterthirdperson: Better Third Person 1.5.0
biome_locator: Biome Locator 1.1.2
blue_endless_jankson: jankson 1.2.0
blur: Blur (Fabric) 2.1.0
bosses_of_mass_destruction: Bosses of Mass Destruction (Beta) 1.2.3-1.16.5
byg: BYG 1.3.5
campanion: Campanion 1.3.5
cardinal-components: Cardinal Components API 2.8.3
cardinal-components-base: Cardinal Components API (base) 2.8.3
cardinal-components-block: Cardinal Components API (blocks) 2.8.3
cardinal-components-chunk: Cardinal Components API (chunks) 2.8.3
cardinal-components-entity: Cardinal Components API (entities) 2.8.3
cardinal-components-item: Cardinal Components API (items) 2.8.3
cardinal-components-level: Cardinal Components API (world saves) 2.8.3
cardinal-components-scoreboard: Cardinal Components API (scoreboard) 2.8.3
cardinal-components-util: Cardinal Components API (utilities) 2.8.3
cardinal-components-world: Cardinal Components API (worlds) 2.8.3
cavebiomes: Cave Biomes 0.6.2
charm: Charm 2.3.2
charmonium: Charmonium 2.3.2
chas: Craftable Horse Armour & Saddle 1.16-1.7-Fabric
chat_heads: Chat Heads 0.5.1
chunkpregen: Fabric Chunk Pregenerator 0.3.3
cinderscapes: Cinderscapes 1.4.0
cleancut: CleanCut mc1.16-2.1-fabric
clear-skies: Clear Skies 1.5.57
cloth-api: Cloth API 1.5.50
cloth-armor-api-v1: Cloth Armor API v1 1.5.50
cloth-basic-math: Cloth Basic Math 0.5.1
cloth-client-events-v0: Cloth Client Events v0 1.5.50
cloth-common-events-v1: Cloth Common Events v1 1.5.50
cloth-config-lite: cloth-config-lite 1.0.4
cloth-config2: Cloth Config v4 4.11.26
cloth-datagen-api-v1: Cloth Datagen v1 1.5.50
cloth-durability-bar-api-v1: Cloth Durability Bar API v1 1.5.50
cloth-dynamic-registry-api-v1: Cloth Dynamic Registry API v1 1.5.50
cloth-scissors-api-v1: Cloth Scissors API v1 1.5.50
cloth-utils-v1: Cloth Utils v1 1.5.50
com_electronwill_night-config_core: core 3.6.3
com_electronwill_night-config_toml: toml 3.6.3
com_moandjiezana_toml_toml4j: toml4j 0.7.2
compactstatuseffects: Compact Status Effects 1.3.0
controlling: Controlling For Fabric 1.1.2
craftpresence: CraftPresence 1.8.8
creeperspores: Creeper Spores 1.5.0
curios: Curios API 0.0.13-1.16.5
dankstorage: Dank Storage 1.10a-1.16.5
diggusmaximus: Diggus Maximus 1.4.2-1.16.3
dragonloot: DragonLoot 1.0.6
dungeons_arise: When Dungeons Arise 1.16.5-2.1.47-fabric
dungeons_of_exile: Dungeons of Exile 1.1.1
dynamicfps: Dynamic FPS 2.0.2
dynamicsoundfilters: Dynamic Sound Filters 1.2.0+1.16.5
dynamo_api: Dynamo API 1.0.0+1.16
editsign: EditSign 2.2.1
enchdesc: EnchantmentDescriptions 2.0.8
endreborn: End: Rebellion 1.8
engilib: EngiLib 1.0.0+1.16
enhancedcelestials: Enhanced Celestials 2.0.5
entityculling: EntityCulling-Fabric 1.3.0
fabric: Fabric API 0.35.0+1.16
fabric-api-base: Fabric API Base 0.3.0+c88702897d
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.1.0+731c05f37d
fabric-biome-api-v1: Fabric Biome API (v1) 3.1.10+3661eaa17d
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.5+ca58154a7d
fabric-command-api-v1: Fabric Command API (v1) 1.1.1+351679a77d
fabric-commands-v0: Fabric Commands (v0) 0.2.2+ca58154a7d
fabric-containers-v0: Fabric Containers (v0) 0.1.11+9354966b7d
fabric-content-registries-v0: Fabric Content Registries (v0) 0.2.1+ca58154a7d
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.3+ca58154a7d
fabric-dimensions-v1: Fabric Dimensions API (v1) 2.0.6+61336ba97d
fabric-entity-events-v1: Fabric Entity Events (v1) 1.1.0+c88702897d
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.2+ca58154a7d
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.1+ca58154a7d
fabric-furnaces: Fabric Furnaces 1.3.3-1.16.4
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.6+ca58154a7d
fabric-item-api-v1: Fabric Item API (v1) 1.2.1+ca58154a7d
fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.7+2868a2287d
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.4+9354966b7d
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.1+ca58154a7d
fabric-language-kotlin: Fabric Language Kotlin 1.6.5+kotlin.1.5.31
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.2.1+ca58154a7d
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.2+ca58154a7d
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.3+ca58154a7d
fabric-models-v0: Fabric Models (v0) 0.3.0+bc7a746f7d
fabric-networking-api-v1: Fabric Networking API (v1) 1.0.3+e3c9d0627d
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.8+ca58154a7d
fabric-networking-v0: Fabric Networking (v0) 0.3.2+ca58154a7d
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.9.5+c88702897d
fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.2+ca58154a7d
fabric-particles-v1: Fabric Particles (v1) 0.2.4+ca58154a7d
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.7.4+ca58154a7d
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.4.3+0ef801b67d
fabric-renderer-indigo: Fabric Renderer - Indigo 0.4.4+ca58154a7d
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.3.0+2868a2287d
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.5+ca58154a7d
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.13+ca58154a7d
fabric-rendering-v0: Fabric Rendering (v0) 1.1.2+ca58154a7d
fabric-rendering-v1: Fabric Rendering (v1) 1.6.0+2868a2287d
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.6+2868a2287d
fabric-screen-api-v1: Fabric Screen API (v1) 1.0.0+c045166c7d
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.5+9354966b7d
fabric-structure-api-v1: Fabric Structure API (v1) 1.1.4+ca58154a7d
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.1.1+ca58154a7d
fabric-textures-v0: Fabric Textures (v0) 1.0.6+ca58154a7d
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.7+8183d3957d
fabricloader: Fabric Loader 0.12.12
fallflyinglib: FallFlyingLib 1.1.0
fancymenu: FancyMenu 2.4.0
fastbench: FastBench 2.3
fastfurnace: FastFurnace 2.4
fatxporbs: Fat Experience Orbs 0.0.9
ferritecore: FerriteCore 2.1.0
fiber: fiber 0.23.0-2
fiber2cloth: Fiber To Cloth 3.0.1
flan: Flan 1.16.5-1.6.3
flesh2leather: Flesh2Leather 1.0.2
flytre_lib: FlytreLib 0.2.11
geckolib3: Geckolib 3.0.58
go-fish: Go Fish 1.2.3-beta-1.16.5
gottaclimbfast: Gotta Climb Fast! 1.0
grindenchantments: Grind Enchantments 1.1.3+1.16.3
hardcorequesting: Hardcore Questing Mode 1.16.5-5.5.12
heartbond: Heartbond 1.0.0
hypnos: Hypnos 0.1.1
iamverysmart: I Am Very Smart 2.1.0+mc1.16.1
illuminations: Illuminations 1.5.1
inmis: Inmis 2.2.1-1.16.5
inventoryhud: Inventory HUD + 3.4.0
inventoryprofilesnext: Inventory Profiles Next 1.2.1
invtrashslot: InvTrashSlot 1.0.2
ironchest: Iron Chests 1.0.0+fabric-1.16.5
itemflexer: ItemFlexer 1.1.4
itemscroller: Item Scroller 0.15.0-dev.20210111.205029
jankson: Jankson 3.0.1+j1.2.0
java: Java HotSpot(TM) 64-Bit Server VM 8
konkrete: Konkrete 1.3.0
kubejs: KubeJS 1605.3.19-build.184
kyrptconfig: Kytpt Config 1.1.4-1.16
lambdynlights: LambDynamicLights 1.3.4+1.16
leaf-decay: Leaf Decay 1.2.0-1.16.1
libblockattributes: LibBlockAttributes 0.8.8
libblockattributes_core: LibBlockAttributes (Core) 0.8.8
libblockattributes_fluids: LibBlockAttributes (Fluids) 0.8.8
libblockattributes_items: LibBlockAttributes (Items) 0.8.8
libcd: LibCapableData 3.0.3+1.16.3
libgui: LibGui 3.4.0+1.16.5
library_of_exile: Library of Exile 1.0.7
libstructure: LibStructure 1.5
lightoverlay: Light Overlay 5.8.1
lithium: Lithium 0.6.6
maelstrom_library: Maelstrom Library 1.2-1.16.5
malilib: MaLiLib 0.10.0-dev.21+arne.5
maybe-data: Maybe data 1.0.0-1.16.2
mechanicaltech: Mechanical Tech 0.3.0+1.16
mesh: Mesh 0.6.1-alpha.21+1.16.4
mesh_api: Mesh API 0.6.1-alpha.21+1.16.4
microconfig: Microconfig 1.1.0
mimics: Mimics 0.1.4
minecraft: Minecraft 1.16.5
mmorpg: Age of Exile 1.7.13
modmenu: Mod Menu 1.16.22
mostructures: Mo' Structures 1.2.0-1.16.5
multipart_entities: MultipartEntities 1.1.1-SNAPSHOT
musicdr: Music Duration Reducer 1.2.0
nbtcrafting: NBT Crafting 2.0.5+mc1.16.4
omega-config: OmegaConfig 1.0.4
org_aperlambda_lambdajcommon: lambdajcommon 1.8.1
org_jetbrains_annotations: annotations 19.0.0
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 1.5.31
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 1.5.31
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 1.5.31
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 1.5.31
org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.5.2
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.5.2
org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.3.0
org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.3.0
origins: Origins 0.7.3
origins-classes: Origins: Classes 1.1.1
patchouli: Patchouli 1.16.4-53-FABRIC
petowner: Pet Owner 1.8.0-1.16.5+
phosphor: Phosphor 0.8.0
polymorph: Polymorph 0.0.13-1.16.5
randompatches: RandomPatches 2.4.5-fabric
reach-entity-attributes: Reach Entity Attributes 1.1.1
repurposed_structures: Repurposed Structures 1.16.5-1.11.6-fabric
rhino: Rhino 1605.1.5-build.75
roughlyenoughitems: Roughly Enough Items 5.12.248
roughlyenoughitems-api: REI (API) 5.12.248
roughlyenoughitems-default-plugin: REI (Default Plugin) 5.12.248
roughlyenoughitems-runtime: REI (Runtime) 5.12.248
roughlyenoughresources: Roughly Enough Resources 2.1.5
satin: Satin 1.5.1
smoothboot: Smooth Boot 1.16.5-1.6.0
spruceui: SpruceUI 2.0.4+1.16
static-content: Static Content 1.0.1-1.16.2
staticdata: Static Data 1.1.2
structure-helpers: Structure Helpers 3.0.0
terraform-biome-builder-api-v1: Terraform Biome Builder API (v1) 1.0.4
terraform-config-api-v1: Terraform Config API (v1) 1.0.3
terraform-dirt-api-v1: Terraform Dirt API (v1) 1.1.3
terraform-overworld-biome-extensions-api-v1: Terraform Overworld Biome Extensions API (v1) 1.0.3
terraform-shapes-api-v1: Terraform Shapes API (v1) 1.0.3
terraform-surfaces-api-v1: Terraform Surfaces API (v1) 1.0.3
terraform-tree-api-v1: Terraform Tree API (v1) 1.0.4
terraform-wood-api-v1: Terraform Wood API (v1) 1.0.3
terrestria: Terrestria 2.2.0
the_bumblezone: The Bumblezone - Fabric 1.16.5-2.4.11-fabric
tlskincape: TLSkinCape 1.19
trade: Trade 1.1.3
transferchestmod: Transfer Chest 1.1.4
trapexpansion: Trap Expansion 1.3.2
traverse: Traverse 3.3.3
ttg_fallfest: FallFest 2020 0.1.1
vanilladeathchest: VanillaDeathChest 2.0.6-fabric
voyager: Voyager 1.0.0
ward_blocks: Ward Blocks 1.0.21
waystones: Waystones 2.0.1
whereisit: Where Is It 1.11.7
wildworld: Wild World 2.0.0+1.16.5
wolveswitharmor: Wolves With Armor 1.5.4-1.16.5
wthit: wthit 2.10.9
xaerominimap: Xaero's Minimap 21.22.3
xaeroworldmap: Xaero's World Map 1.18.6
xp_storage: XP Storage 1.4+1.16.5
yosbr: YOSBR 0.1.1
yungsapi: YUNG's API 1.16.5-Fabric-9
zoob: Monster Of The Ocean Depths 3.0.0
Patchouli open book context: n/a
Launched Version: Fabric 1.16.5
Backend library: LWJGL version 3.2.2 build 10
Backend API: AMD Radeon HD 5450 GL version 4.5.13417 Compatibility Profile Context 15.301.1901.0, ATI Technologies Inc.
GL Caps: Using framebuffer using OpenGL 3.0
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fabric'
Type: Client (map_client.txt)
Graphics mode: fast
Resource Packs: vanilla
Current Language: Русский (Россия)
CPU: 4x Intel(R) Core(TM)2 Quad CPU Q9400 @ 2.66GHz

tbh i dont really know, looks like an unfortunate random crash