[Crash]: Client only classes running on server

[ImAK9]

Existing issues

• I searched for existing issues and did not find a duplicate

Side

side/server

Minecraft Version

26.1.2

Mod Version

4.0.0

Other mods

Fresh Animations
FancyMenu
FTB Library (NeoForge)
Only Flax
Building Gadgets
Catalogue
[EMF] Entity Model Features [Fabric & Forge]
Dark Coffee Extras
Iris Shaders
Applied Energistics 2
Macaw's Lights and Lamps
Controlling
Aquaculture 2
FerriteCore ((Neo)Forge)
Mouse Tweaks
Nature's Compass
Macaw's Windows
Leaderboards
Brush & Juice
Balm
spark
Better Sophisticated Backpack Upgrades (BSBU)
Advanced Loot Info
Crash Assistant
YetAnotherConfigLib
Lithium (Fabric/NeoForge)
Simple Voice Chat
JustHammers
Construction Sticks
Open Parties and Claims
Framework
Boss Bars Reforged
M.R.U
Configured
FTB Essentials (Forge & Fabric)
ModernFix
Nanite Library
Artifacts
Croptopia
EpheroLib
Inventory Essentials
[ETF] Entity Texture Features - [Fabric & Forge]
Just Dire Things
Accelerated Decay
Shogi
Macaw's Paths and Pavings
Punchy! - First person animations
Just Enough Items (JEI)
Xaero's World Map
Fzzy Config
Konkrete
Macaw's Bridges
CreativeCore
Prickle
Xaero's Minimap
AgriTech
MrCrayfish's Furniture Mod: Refurbished
Curios API (Forge/NeoForge)
FramedBlocks
GuideME
Theurgy
AE2 Import Export Card
Macaw's Fences and Walls
Clumps
Visual Traveler's Titles
Tool Stats
Overflowing Bars
Paginated Advancements & Custom Frames
Kotlin for Forge
AppleSkin
Crystalix
Jumpy Boats
Puzzles Lib
Animal Pens
NetherPortalFix
Macaw's Roofs
Biomes O' Plenty
Starcatcher
Global Packs
Waystones
FTB Ultimine (NeoForge)
Luminax
Fresh Animations: Spiders
Sophisticated Backpacks
MakeUp - Ultra Fast | Shaders
OpenBlocks Elevator
Sophisticated Storage
ImmediatelyFast
Modonomicon
Logistics Network
AmbientSounds 6
Lootr (Forge & NeoForge)
Ender IO Endergy
Just Enough Professions (JEP)
AgriTech: Evolved
AI Improvements
Cloth Config API (Fabric/Forge/NeoForge)
Crafting Tweaks
GeckoLib
Sodium
Chat Heads
Macaw's Trapdoors
Default Options
Ender IO
Sophisticated Core
Occultism
Chat Animation [Smooth Chat]
Dynamic Difficulty (Neoforge/Fabric)
Euphoria Patches
Waystones Teleport Pets
Melody
Dark Coffee GUI
AttributeFix
GlitchCore
Sound Physics Remastered
Sound​s
(Bee's) Fancy Crops
Enchantment Descriptions
Farming for Blockheads
Macaw's Doors
Trade Cycling
Lithostitched
Tectonic
LaserIO
BaguetteLib
Fresh Animations: Player Extension
Mech Trowel
(Bee's) Fine Armory
Epitaphs
Fancy Beds
Jade 🔍
Searchables
Complementary Shaders - Unbound
Simple Discord Rich Presence (Forge / Fabric)
Towns and Towers
Cherished Worlds
Cristel Lib
PingHUD
TerraBlender (NeoForge)
Fancy World Animations
🔑 Better Keys 🗝
Ecliptic Seasons
BisectHosting Server Integration Menu [NEOFORGE]
Crafting on a stick
Pick Up Notifier

Modpack (if applicable)

Craftoria 2 (0.4.0)

Steps to reproduce

1. Install Crystalix
2. Start server
3. Join the server
4. Place down blocks

Crash report link (required if available)

https://mclo.gs/LdWM0FB

latest.log link

https://mclo.gs/LdWM0FB

debug.log link (optional)

No response

Additional context

No response

[Satherov]

Version 4.0.1 is gonna be on curseforge soon, sorry for letting that slip through 😓