SpongeNeo | Connecting to server issues "Unexpected custom data from client"

[Ciel-Albion]

Affected Product(s)

SpongeNeo

Version

1.21.1-21.1.35-12.0.2-RC2134

Operating System

Debian 11 (aarch64)

Java Version

Temurin 21 (JDK)

Plugins/Mods

Plugins: 
(Just to note, the issue persists with or without Plugins)
WorldEdit
LuckPerms
CommandPack
LocalAPI
H2Driver
MySQLDriver
NamelessMC_Sponge10

Mod List: 

Accelerated Decay 21.0.0 (accelerateddecay)

ActuallyHarvest 1.1.1.1 (actuallyharvest) 

Advanced AE 1.2.5-1.21.1 (advanced_ae)

AE2 JEI Integration 1.2.0 (ae2jeiintegration) 

AE2 Things 1.4.2-beta (ae2things) 

AE2:Crafting Tree 1.21.1-1.0.5 (ae2ct) 

AE2NetworkAnalyzer 1.21-2.0.1-neoforge (ae2netanalyser) 

AE2WTLib 19.2.2 (ae2wtlib) 

AE2WTLib API 19.2.2 (ae2wtlib_api) 

AlmostUnified 1.21.1-1.2.3 (almostunified) 

Apothic Attributes 2.6.2 (apothic_attributes) 

Apothic Enchanting 1.3.2 (apothic_enchanting) 

Apothic Spawners 1.2.1 (apothic_spawners) 

AppleSkin 3.0.5+mc1.21 (appleskin)

Applied Energistics 2 19.2.5-beta (ae2) 

Applied Mekanistics 1.6.2 (appmek) 

AppliedFlux 1.21-2.0.5-neoforge (appflux) 

Architectury 13.0.8 (architectury) 

Armor Poser 6.2.0 (armorposer) 

Ars Elemental ... (ars_elemental)

Ars Nouveau 5.6.0 (ars_nouveau)

Athena 4.0.1 (athena)

Bag of Yurting ... (bagofyurting)

Bagus Lib 1.21.1-13.7.0 (bagus_lib)

Balm 21.0.31 (balm)

Bank Storage 1.5.1+1.21 (bankstorage)

Better Advancements ... (betteradvancements)

BetterF3 11.0.3 (betterf3)

Bookshelf 21.1.50 (bookshelf)

Building Gadgets 2 1.3.8 (buildinggadgets2)

Cable Facades 1.5.0 (cable_facades)

Caelus API 7.0.1+1.21.1 (caelus)

Carbon Config Library 0.0NONE (carbonconfig)

CC: Tweaked 1.115.1 (computercraft)

Chalk 1.6.9 (chalk)

Charging Gadgets 1.14.1 (charginggadgets)

Chipped 4.0.2 (chipped)

Cloth Config v15 API 15.0.140 (cloth_config)

Clumps ... (clumps)

Collective 7.94 (collective)

Comforts 9.0.3+1.21.1 (comforts)

Common Networking 1.0.18-1.21.1 (commonnetworking)

CommonCapabilities 2.9.7 (commoncapabilities)

Construction Sticks 1.1.5 (constructionstick)

Controlling 19.0.4 (controlling)

Cooking for Blockheads 21.1.12 (cookingforblockheads)

CoroUtil 1.21.0-1.3.8 (coroutil)

CosmeticArmorReworked 1.21.1-v1-neoforge (cosmeticarmorreworked)

Cottonly 0.16.4 (cottonly)

Crafting Tweaks 21.1.5 (craftingtweaks)

Create 6.0.2 (create)

CreativeCore 2.12.32 (creativecore)

Cucumber Library 8.0.10 (cucumber)

Cupboard mod 2.9 (cupboard)

Curios API 9.3.1+1.21.1 (curios)

Cyclops Core 1.25.7 (cyclopscore)

Deimos 2.1 (deimos)

Domum Ornamentum 1.0.204-1.21.1-snapshot (domum_ornamentum)

Dungeon Crawl 2.3.15 (dungeoncrawl)

Easy Piglins 1.21.1-1.0.14 (easy_piglins)

Easy Villagers 1.21.1-1.1.23 (easy_villagers)

EdivadLib 3.0.0 (edivadlib)

ElevatorMod 1.21.1-1.11.4 (elevatorid)

Emojiful 5.1.5 (emojiful)

Enchantable Blocks 0.1.5 (enchantableblocks)

Ender Core 7.1.6-alpha (endercore)

Ender IO 7.1.6-alpha (enderio)

Ender IO Armory 7.1.6-alpha (enderio_armory)

Ender IO Base 7.1.6-alpha (enderio_base)

Ender IO Conduits 7.1.6-alpha (enderio_conduits)

Ender IO Machines 7.1.6-alpha (enderio_machines)

Ender IO Modded Conduits 7.1.6-alpha (enderio_conduits_modded)

Entangled 1.3.20+a (entangled)

EventsLib 1.0.56 (eventslib)

EvilCraft 1.2.68 (evilcraft)

ExtendedAE 1.21-2.2.6-neoforge (extendedae)

Extreme Reactors 1.21.1-2.4.21 (bigreactors)

Fargo's Talismans 2.2.3+1 (fargostalismans)

Farmer's Delight 1.2.7 (farmersdelight)

Farming for Blockheads 21.1.7 (farmingforblockheads)

Ferrite Core 7.0.2 (ferritecore)

FindMe 3.3.2 (findme)

Flower Patch 7.1.0 (flowerpatch)

Flywheel 1.0.1-11 (flywheel)

Forge Config API Port 21.1.3 (forgeconfigapiport)

Forgified Fabric API 0.107.0+2.0.25+1.21.1 (fabric_api)

Forgified Fabric API Base 0.4.42+d1308dedd1 (fabric_api_base)

Forgified Fabric API Lookup API (v1) 1.6.69+c21168c319 (fabric_api_lookup_api_v1)

Forgified Fabric Biome API (v1) 13.0.30+1e62d33c19

Describe the bug

On connecting to server, I got the message Unexpected custom data from client and then disconnected.

Note: Logs were edited to remove private IP.

Log Links: https://paste.gg/p/anonymous/2890da530b454a569bb844dc17645094 https://paste.gg/p/anonymous/2890da530b454a569bb844dc17645094

Link to logs

https://paste.gg/p/anonymous/2890da530b454a569bb844dc17645094 https://paste.gg/p/anonymous/a39907fda11742d9b35a2d71869a659a