Error:
Connection Lost:
Internal Exception:
java.lang.IndexOutOfBoundsException:
readerIndex(1) + length(8) exceeds writerIndex(5):
PooledUnsafeDirectByteBuf(ridx: 1, widx:5, cap:5)

MC: 1.20.1
Forge: 47.3.29
Modlist:
Macaw's Holidays (by sketch_macaw)
Midnight Madness (by kotishe666)
Blue's Better Skeletons (by mrblueyeti)
Undergarden Delight (A Farmer's Delight Add-on) (by nocubeyt)
Forbidden and Arcanus (by cesar_zorak)
HammerLib (by Zeith)
Born in Chaos Delight (by Project_Count)
Realm RPG: Dragon Wyrms (by nocubeyt)
Peeping Tom (by Zcoper)
Xaero's Minimap & World Map - Waystones Compatibility [Forge] (by ArcaneAlloy)
Every Compat (Wood Good) (by MehVahdJukaar)
Decorative Winter (by lilypuree)
Towns and Towers (by Biban_Auriu)
SCP-280, Eyes in the Dark (by Zcoper)
The Conjurer (by ModdingLegacy)
xali's Potions (by xalixilax)
Vanity: Bone Pack (by stohun)
Iron Bows (FORGE) (by popcornman200)
Macaw's Furniture (by sketch_macaw)
Too Fast (by Noobanidus)
Philip's Ruins (by philipmoddev)
SCP-4975, The Cuckoo Clock (by Zcoper)
Lights Out (by Flamc04)
Leon's Illager Trader (by Leonxkingx)
Ars Nouveau Delight (by Project_Count)
Dynamic Trees - Upgrade Aquatic (by MaxHyper)
Campsite (by MadeBySanny)
Project Fright (by Decyphvr)
Decorative covers (by Alexander8VKHZ)
Sodium/Embeddium Dynamic Lights (by Txni)
Blue's Better Monsters (by mrblueyeti)
Quark Oddities (by Vazkii)
Open Parties and Claims (by xaero96)
Leon's & Tax' Spooky Music Trader (by Leonxkingx)
Cupboard (by someaddon)
CodeChicken Lib 1.8.+ (by covers1624)
Quark Artifacts (by Project_Count)
SCP-457, The Burning Man (by Zcoper)
Balm (by BlayTheNinth)
Ars Elemental (by Alexth99)
NetherPortalFix (by BlayTheNinth)
The Man From The Fog (by M_Productions)
Placebo (by Shadows_of_Fire)
BlockUI (by Raycoms)
Sons Of Sins: Organs Additions (by Ax3dGaming_)
Iron Fishing Rods (by TrueRealCursed_Warrior)
Lucky's Armory (by LuckyOwl)
Sophisticated Storage in Motion (by P3pp3rF1y)
Born in Chaos (by mongoose_artist)
Better Cats (by mrblueyeti)
Depth Crawler - The Horror of Exploration (by ethanofthespires)
YUNG's API (Forge) (by YUNGNICKYOUNG)
Allurement (by TeamAbnormals)
YUNG's Cave Biomes Delight (by Project_Count)
Jade 🔍 (by Snownee)
Vanity: Core (by Farcr)
Rechiseled: Create (by SuperMartijn642)
Guard Ribbits (by sunbatheproductions28)
Immersive structures (by ChoiceTheorem)
Upgrade Aquatic (by TeamAbnormals)
Realm RPG: Imps & Demons (by nocubeyt)
Nature's Compass (by Chaosyr)
Entity Culling Fabric/Forge (by tr7zw)
Forbidden and Arcanus Delight (by Project_Count)
Better Compatibility Checker (by Gaz_)
xali's Bushy Leaves (by xalixilax)
Xaero's World Map (by xaero96)
Immersive Structures II: Nether edition (by ChoiceTheorem)
Cloth Config API (Fabric/Forge/NeoForge) (by shedaniel)
Server Performance - Smooth Chunk Save[Forge/Fabric] (by someaddon)
Let Me Despawn (by frikinjay)
Immersive Cooking (by CrimsonTwilight)
Celestisynth: Wishes and Hells (by aquextheseal)
Domum Ornamentum (by OrionOnline)
BetterF3 (by cominixo)
Dynamic Trees - Forbidden And Arcanus (by MaxHyper)
Iron Ladders (by nNined)
SCP-049, The Plague Doctor (by Zcoper)
Embeddium (by FiniteReality)
Curios API (Forge/NeoForge) (by TheIllusiveC4)
OctoLib (by SSKirillSS)
fix GPU memory leak[Forge/Fabric] (by someaddon)
Incendium (by Starmute)
Connectivity (by someaddon)
Dynamic Trees - Autumnity (by MaxHyper)
Immersive Paintings [Fabric/Forge] (by Conczin)
Elytra Slot (Fabric/Forge/Quilt) (by TheIllusiveC4)
Large Meals (An Add-on for Farmer's Delight) (by LostWiz08)
Aquaculture 2 (by Shadow)
Blue's Better Zombies (by mrblueyeti)
AppleSkin (by squeek502)
Underground Villages (by Mrbysco)
SCP-682, The Hard To Destroy Reptile (by Zcoper)
Create Waystones Recipes (by Reggarf)
Immersive Machinery (by Conczin)
Hearth & Home (by Starfish_Studios)
Deeper and Darker (by KyaniteMods)
Create Slice & Dice (by possible_triangle)
RightClickHarvest (by jamalam360)
Mowzie's Delight (by Project_Count)
Radiant Gear (Fabric/Forge/Quilt) (by TheIllusiveC4)
FerriteCore ((Neo)Forge) (by malte0811)
Kotlin for Forge (by thedarkcolour)
Botarium (by CodexAdrian)
FPS Reducer (by bre2el)
Ars Nouveau Artifacts (by Project_Count)
Realm RPG: Fallen Adventurers (by nocubeyt)
Architectury API (by shedaniel)
Better Combat [Fabric & Forge] (by daedelus_dev)
SCP-939, With Many Voices (by Zcoper)
Sky Villages [Forge] (by y4z0n)
SCP-966, The Sleep Killer (by Zcoper)
The Lost Castle (by jack_bagel)
spark (by Iucko)
Neat (by Vazkii)
Patchouli (by Vazkii)
Embers Rekindled (by BordListian)
YUNG's Better Mineshafts (Forge) (by YUNGNICKYOUNG)
Create: pneumatic equipment (by MrKM)
From The Fog (by LunarEclipseStudios)
[EMF] Entity Model Features [Fabric & Forge] (by Traben)
Realm RPG: Sea Dwellers (by nocubeyt)
Easy Anvils [Forge & Fabric] (by Fuzs)
Sodium/Embeddium Extras (by Txni)
Structure Gel API (by ModdingLegacy)
Polymorph (Fabric/Forge/Quilt) (by TheIllusiveC4)
SCP-3199, Humans Refuted (by Zcoper)
Almanac Lib (by frikinjay)
Decorative Pavers (by Alexander8VKHZ)
Macaw's Doors (by sketch_macaw)
Create Stuff & Additions (by Furti_Two)
Iron Furnaces (by XenoMustache)
Goblin Traders (by MrCrayfish)
xali's Enhanced Vanilla (by xalixilax)
Collective (by Serilum)
YUNG's Better Dungeons (Forge) (by YUNGNICKYOUNG)
SCP-999, Tickle Monster (by Zcoper)
Dynamic Trees - Quark (by MaxHyper)
Sound Physics Remastered (by henkelmax)
Better Dogs (by mrblueyeti)
Spartan Weaponry Addon Toolkit (by kreloxcz)
Zeta (by Vazkii)
CraftedCore (by ToCraft)
Macaw's Stairs (by sketch_macaw)
YUNG's Better Jungle Temples (Forge) (by YUNGNICKYOUNG)
Easy Magic [Forge & Fabric] (by Fuzs)
Citadel (by sbom_xela)
Eyes in the Darkness (by gigaherz)
Framework (by MrCrayfish)
Create Enchantment Industry (by DragonsPlus)
Curious Armor Stands (by ochotonida)
ModernFix (by embeddedt)
Dynamic Trees (by MaxHyper)
Guard Villagers (by almightytallestred)
Decorative Railings (by Alexander8VKHZ)
Cult of Cats (by fapdos)
Realm RPG: Pots & Mimics (by nocubeyt)
Macaw's Fences and Walls (by sketch_macaw)
Big's Creepypastas (by captainbigboss)
Aether Delight (A Farmer's Delight Add-on) (by nocubeyt)
Obscure API (Forge) (by Obscuria)
Netherific (by lixir)
Deeper and Darker Delight (by Project_Count)
CreativeCore (by CreativeMD)
The Aether (by TheAetherTeam)
Aquaculture Delight (A Farmer's Delight Add-on) (by nocubeyt)
Clean Tooltips (by Stal)
Immersive Aircraft [Fabric/Forge] (by Conczin)
Whisperwoods (by itsmeowdev)
Create: Quark Runes (by LittleButter66)
Farmer's Delight (by vectorwing)
Spartan Shields (by ObliviousSpartan)
Chunk Sending[Forge/Fabric] (by someaddon)
Sunrise & Sunset Audio (by morgan171040)
YUNG's Better Desert Temples (Forge) (by YUNGNICKYOUNG)
Caelus API (Forge/NeoForge) (by TheIllusiveC4)
Better Fps - Render Distance[Forge] (by someaddon)
AmbientSounds 6 (by CreativeMD)
Rustic Delight (by PhantomWing)
Not Enough Recipe Book [NERB] (by SSKirillSS)
Structure Essentials[Forge/Fabric] (by someaddon)
Waystones Teleport Pets (by ArcaneAlloy)
Fusion (Connected Textures) (by SuperMartijn642)
Create: Deep Dark [Forge/NeoForge] (by robinfrt)
Incubation (by TeamAbnormals)
Leon's Spooky Paintings (by Leonxkingx)
SCP-6096, The Blanket Ghost (by Zcoper)
Puzzles Lib [Forge & Fabric] (by Fuzs)
Little Contraptions (by EDToaster)
SCP-066, Eric's Toy (by Zcoper)
Ars Nouveau (by baileyholl2)
Valhelsia Core (by ValhelsiaTeam)
Oculus (by Asek3)
Immersive Weathering [FORGE] (by OrdanaryMods)
SuperMartijn642's Core Lib (by SuperMartijn642)
Farmer's Respite (by lumpazl)
The Undergarden (by Quek04)
Chunky (Forge/NeoForge) (by pop4959)
Simple Weapons for Better Combat (by InfernalEclipse)
Mowzie's Artifacts (by Project_Count)
SuperMartijn642's Config Lib (by SuperMartijn642)
Create: Dynamic Lights (by leon_mout)
YUNG's Better Witch Huts (Forge) (by YUNGNICKYOUNG)
Macaw's Paths and Pavings (by sketch_macaw)
Quark (by Vazkii)
There's something in the caves (by herobibes)
Fantasy's Furniture (by ApexModder)
Waystones (by BlayTheNinth)
Create: Bells & Whistles (by syslev)
Clumps (by Jaredlll08)
playerAnimator (by KosmX)
Castle in the Sky (by songxia23)
Alex's Mobs (by sbom_xela)
Realm RPG: Creep & Crop (by nocubeyt)
TerraBlender (Forge) (by TheAdubbz)
Farsight [Forge/Neo] (by someaddon)
Dynamic Trees - Ars Nouveau (by MaxHyper)
Enchantment Descriptions (by DarkhaxDev)
Nyf's Spiders (by Nyfaria)
Valhelsia Furniture (by ValhelsiaTeam)
GeckoLib (by Gecko)
Legendary Creatures (by legendary_workshop)
Jade Addons (Neo/Forge) (by Snownee)
Alex's Delight (by Baisylia)
Sophisticated Storage (by P3pp3rF1y)
Charm of Undying (Fabric/Forge/Quilt) (by TheIllusiveC4)
Environmental (by TeamAbnormals)
AllTheLeaks (Memory Leak Fix) (by Uncandango)
Create: Steam 'n' Rails (by IThundxr)
Macaw's Paintings (by sketch_macaw)
TrashSlot (by BlayTheNinth)
Ars Technica (by zeroregard)
Macaw's Bridges (by sketch_macaw)
xali's Enchanted Books (by xalixilax)
Ars Nouveau's Flavors & Delight (by lcy0x1)
Explorer's Compass (by Chaosyr)
Clickable advancements[Forge/Fabric] (by someaddon)
xali's Potions - Addon (by DedMaxim99)
Healing Campfire (by Serilum)
Ender Storage 1.8.+ (by covers1624)
Sons Of Sins (by Furti_Two)
Complementary Shaders - Reimagined (by EminGT)
Gardens of the Dead (by ochotonida)
Bygone Nether (by izofar)
Bad Wither No Cookie - Reloaded (by Kreezxil)
Sky Structures (by TrueRealCursed_Warrior)
Structory (by botanydev)
Sophisticated Core (by P3pp3rF1y)
Immersive Melodies [Fabric/Forge] (by Conczin)
SCP-096, The Shy Guy (by Zcoper)
Structory: Towers (by botanydev)
Decorative Blocks (by stohun)
Better Villagers (by creepermax123)
Connected Glass (by SuperMartijn642)
Curious Lanterns (by Psilock1)
Better Advancements (by way2muchnoise)
Quark Delight (by nocubeyt)
Create Deco (by talrey)
SCP-2863, Starving Skeletons (by Zcoper)
Login Protection[Forge/Fabric] (by someaddon)
Philip's Biome Features (by philipmoddev)
Ender Trigon (by nonamecrackers2)
Extended illumina (3D lantern and torch) (by ILYASTIKZARAZA)
Better Illagers (by creepermax123)
Realm RPG: Quests & Rewards (by nocubeyt)
YUNG's Cave Biomes (Forge) (by YUNGNICKYOUNG)
Hunter'sReturn (by baguchiMC)
Rustic Engineer (by Mizz)
YUNG's Better Nether Fortresses (Forge) (by YUNGNICKYOUNG)
Macaw's Windows (by sketch_macaw)
SCP-079, The Old AI (by Zcoper)
Spartan Weaponry (by ObliviousSpartan)
Moonlight Lib (by MehVahdJukaar)
Blueprint (by TeamAbnormals)
Simple Backups (by MelanX)
Chest Cavity - Forge Port (by booneldanforever)
Nyf's Quivers (by Nyfaria)
Artifacts (by ochotonida)
Valhelsia Structures (by ValhelsiaTeam)
Remorphed (by ToCraft)
Better Farmer's Combat (by ElBaronJack)
Boatload (by TeamAbnormals)
Sons of Sins: Organ Museum (by To0pa)
Macaw's Lights and Lamps (by sketch_macaw)
Better Wolves (by mrblueyeti)
The Graveyard (FORGE/NEOFORGE) (by finallion_13)
Curios Quark Oddities Backpack (by 6LeoY)
YUNG's Bridges (Forge) (by YUNGNICKYOUNG)
Sodium/Embeddium Options API (by Txni)
Better Third Person (by Socolio)
Decorative Wooden Lattices (by Alexander8VKHZ)
Just Enough Items (JEI) (by mezz)
Towers of the Wild Modded (by celsiusqc)
Neruina - Ticking Entity Fixer (by bawnorton)
ExpandAbility (by florensie)
Mowzie's Mobs (by bobmowzie)
Nether's Delight (by lumpazl)
Macaw's Trapdoors (by sketch_macaw)
Kiwi 🥝 (Neo/Forge) (by Snownee)
Xaero's Minimap (by xaero96)
YUNG's Better End Island (Forge) (by YUNGNICKYOUNG)
Dynamic View[Forge] (by someaddon)
Macaw's Roofs (by sketch_macaw)
Autumnity (by TeamAbnormals)
Tax' & Leon's Biome Trader (by Taknax)
Immersive Armors [Fabric/Forge] (by Conczin)
Tool Belt (by gigaherz)
Buzzier Bees (by TeamAbnormals)
Tool Stats (by DarkhaxDev)
Mutant Monsters [Forge & Fabric] (by Fuzs)
Decorative Lattices (by Alexander8VKHZ)
SCP-131, The Eye Pods (by Zcoper)
Nameless Trinkets (by Cozary)
Little Logistics (by Sveid)
Fairy Lights (by pau101)
Ars Creo (by baileyholl2)
YUNG's Extras (Forge) (by YUNGNICKYOUNG)
Farsighted Mobs (Forge & NeoForge) (by Sindarin27)
[ETF] Entity Texture Features - [Fabric & Forge] (by Traben)
Towers of the Wild: Additions (by Aureljz)
Complementary Shaders - Unbound (by EminGT)
CANTBREATHE (by ClouddyVR)
Comforts (Fabric/Forge/Quilt) (by TheIllusiveC4)
The Lost Cities (by McJty)
Vertical Slabs Compat (by MehVahdJukaar)
Mutant Wolf (by TrueRealCursed_Warrior)
The rake - CEOofAUTIZMZ. .(skinwalker)(wendigo)(dweller)(horror)(cave)(dark) (by CEOofAUTIZMZ)
Lodestone (by sammysemicolon)
More Delight (Forge & Neoforge) (by axperty)
Leon's Ocean Trader (by Leonxkingx)
Nyf's Archery Plus (by Nyfaria)
Arthropod Phobia Expansions + Horror Bosses (Spider Moth) (by Vllax)
Cristel Lib (by Cristelknight)
Sophisticated Backpacks (by P3pp3rF1y)
Better Days (by wendall911)
Ribbits (by joosh_7889)
Create (by simibubi)
Create: Interiors (by syslev)
Aquamirae (Forge) (by Obscuria)
xali's Enchanted Books - Addon (by DedMaxim99)
Configured (by MrCrayfish)
YUNG's Better Ocean Monuments (Forge) (by YUNGNICKYOUNG)
Create Recycle Everything (by nocubeyt)
FastSuite (by Shadows_of_Fire)
Bone Zone (by DarkhaxDev)
Explorify – Dungeons & Structures (by bebebea_loste)
Decoration Delight: Refurbished (by InfernoSakai)
Bookshelf (by DarkhaxDev)
YUNG's Better Strongholds (Forge) (by YUNGNICKYOUNG)
Woodwalkers (by ToCraft)
Malum (by sammysemicolon)
Improvable Skills 3 (by Zeith)
Spooky Structures (by Zeyeo)
Bagus Lib (by baguchiMC)
Ambient Environment (by Jaredlll08)
Rechiseled (by SuperMartijn642)
Decorative paths (by Alexander8VKHZ)
Enchanting Infuser [Forge & Fabric] (by Fuzs)