Common sense Info

• I play...
  • With a large modpack
  • Only with CQR and it's dependencies
• The issue occurs in...
  • Singleplayer
  • Multiplayer
• I have searched for this or a similar issue before reporting and it was either (1) not previously reported, or (2) previously fixed and I'm having the same problem.
• I am using the latest version of the mod (all versions can be found on github under releases)
• I reproduced the bug without any other mod's except forge, cqr and it's dependencies
• The SERVER crashes because of this bug

Versions
Chocolate Quest Repoured:
Forge: 1.12.2-14.23.5.2854
Minecraft: 1.12.2

Describe the bug
A clear and concise description of what the bug is.

I open my server and it crashes.

https://i.imgur.com/OkUJcqm.png

Expected behavior

I wanted the server to work perfectly

Screenshots
https://i.imgur.com/OkUJcqm.png

Other
Crash report: "---- Minecraft Crash Report ----

WARNING: coremods are present:
llibrary (llibrary-core-1.0.11-1.12.2.jar)
Contact their authors BEFORE contacting forge

// I bet Cylons wouldn't have this problem.

Time: 21/05/20 22:37
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraft/client/model/ModelBiped
at com.teamcqr.chocolatequestrepoured.init.ModItems$ItemRegistrationHandler.registerItems(ModItems.java:336)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_16_ItemRegistrationHandler_registerItems_Register.invoke(.dynamic)
at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
at net.minecraftforge.fml.common.eventhandler.EventBus$1.invoke(EventBus.java:144)
at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:850)
at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:630)
at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:99)
at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:333)
at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486)
at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.model.ModelBiped
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
... 12 more
Caused by: java.lang.NullPointerException
at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
... 14 more

A detailed walkthrough of the error, its code path and all known details is as follows:

-- System Details --
Details:
Minecraft Version: 1.12.2
Operating System: Windows 10 (amd64) version 10.0
Java Version: 1.8.0_231, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 3543599560 bytes (3379 MB) / 4019716096 bytes (3833 MB) up to 4019716096 bytes (3833 MB)
JVM Flags: 2 total; -Xmx4000M -Xms4000M
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP 9.42 Powered by Forge 14.23.5.2854 6 mods loaded, 6 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

| State | ID         | Version      | Source                                    | Signature                                |
|:----- |:---------- |:------------ |:----------------------------------------- |:---------------------------------------- |
| LCH   | minecraft  | 1.12.2       | minecraft.jar                             | None                                     |
| LCH   | mcp        | 9.42         | minecraft.jar                             | None                                     |
| LCH   | FML        | 8.0.99.99    | forge-1.12.2-14.23.5.2854.jar             | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCH   | forge      | 14.23.5.2854 | forge-1.12.2-14.23.5.2854.jar             | e3c3d50c7c986df74c645c0ac54639741c90a557 |
| LCH   | llibrary   | 1.7.19       | llibrary-1.7.19-1.12.2.jar                | b9f30a813bee3b9dd5652c460310cfcd54f6b7ec |
| LCH   | cqrepoured | 1.18.0A      | ChocolateQuestRepoured-1.12.2-1.18.0A.jar | None                                     |

Loaded coremods (and transformers): 

llibrary (llibrary-core-1.0.11-1.12.2.jar)
net.ilexiconn.llibrary.server.core.plugin.LLibraryTransformer
net.ilexiconn.llibrary.server.core.patcher.LLibraryRuntimePatcher
Profiler Position: N/A (disabled)
Is Modded: Definitely; Server brand changed to 'fml,forge'
Type: Dedicated Server (map_server.txt)"
.
Log file: I just created an account to contact you, I never used GitTub and I don't know how to attach files.
Singleplayer/Multiplayer: m
Other mods (that are necessary to produce the bug):
Other mods (that are also installed):

Attach the log as a FILE and not just "copy paste text goes spam spam" please

Also use the latest version, that bug was fixed in v1.18.1

Claused cause of the bug reporter being unwilling to interact and be cooperative on this