My minecraft forge server is keep on crashing please help

[NeXt_KX]

Crash report is down below please help ive been trying to fix this for 7 hours 

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// There are four lights!

Time: 06.06.21 17:06
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: eu/ha3/matmos/Matmos
    at eu.ha3.matmos.ForgeMatmos.<init>(ForgeMatmos.java:19)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
    at sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
    at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
    at java.lang.reflect.Constructor.newInstance(Unknown Source)
    at java.lang.Class.newInstance(Unknown Source)
    at net.minecraftforge.fml.common.ILanguageAdapter$JavaAdapter.getNewInstance(ILanguageAdapter.java:191)
    at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:599)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
    at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
    at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
    at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
    at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
    at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
    at com.google.common.eventbus.EventBus.post(EventBus.java:217)
    at net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:219)
    at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:197)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.common.eventbus.Subscriber.invokeSubscriberMethod(Subscriber.java:91)
    at com.google.common.eventbus.Subscriber$SynchronizedSubscriber.invokeSubscriberMethod(Subscriber.java:150)
    at com.google.common.eventbus.Subscriber$1.run(Subscriber.java:76)
    at com.google.common.util.concurrent.MoreExecutors$DirectExecutor.execute(MoreExecutors.java:399)
    at com.google.common.eventbus.Subscriber.dispatchEvent(Subscriber.java:71)
    at com.google.common.eventbus.Dispatcher$PerThreadQueuedDispatcher.dispatch(Dispatcher.java:116)
    at com.google.common.eventbus.EventBus.post(EventBus.java:217)
    at net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:136)
    at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:595)
    at net.minecraftforge.fml.server.FMLServerHandler.beginServerLoading(FMLServerHandler.java:98)
    at net.minecraftforge.fml.common.FMLCommonHandler.onServerStart(FMLCommonHandler.java:333)
    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:125)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486)
    at java.lang.Thread.run(Unknown Source)
Caused by: java.lang.ClassNotFoundException: eu.ha3.matmos.Matmos
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 39 more
Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/resources/IResourceManagerReloadListener
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(Unknown Source)
    at java.security.SecureClassLoader.defineClass(Unknown Source)
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
    ... 41 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.resources.IResourceManagerReloadListener
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 45 more
Caused by: net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerException: Exception in class transformer net.minecraftforge.fml.common.asm.transformers.SideTransformer@afb5821 from coremod FMLCorePlugin
    at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:260)
    at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
    ... 47 more
Caused by: java.lang.RuntimeException: Attempted to load class ceq for invalid side SERVER
    at net.minecraftforge.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:62)
    at net.minecraftforge.fml.common.asm.ASMTransformerWrapper$TransformerWrapper.transform(ASMTransformerWrapper.java:256)
    ... 49 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_291, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 3568372728 bytes (3403 MB) / 4116185088 bytes (3925 MB) up to 4116185088 bytes (3925 MB)
    JVM Flags: 2 total; -Xmx4096M -Xms4096M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP 9.42 Powered by Forge 14.23.5.2855 23 mods loaded, 23 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                                |
    |:----- |:------------------- |:------------- |:--------------------------------------------- |:---------------------------------------- |
    | LC    | minecraft           | 1.12.2        | minecraft.jar                                 | None                                     |
    | LC    | mcp                 | 9.42          | minecraft.jar                                 | None                                     |
    | LC    | FML                 | 8.0.99.99     | forgeserver.jar                               | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LC    | forge               | 14.23.5.2855  | forgeserver.jar                               | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LC    | bspkrscore          | 8.0.0         | [1.12.2]bspkrscore-universal-8.0.1.jar        | None                                     |
    | LC    | damageindicatorsmod | 1.0           | [1.12.2]DamageIndicatorsMod-3.5.1.jar         | None                                     |
    | LC    | treecapitator       | 1.43.0        | [1.12]TreeCapitator-client-1.43.0.jar         | None                                     |
    | LC    | backpack            | 3.0.2         | backpack-3.0.2-1.12.2.jar                     | None                                     |
    | LC    | bibliocraft         | 2.4.5         | BiblioCraft[v2.4.5][MC1.12.2].jar             | None                                     |
    | LC    | biomesoplenty       | 7.0.1.2443    | BiomesOPlenty-1.12.2-7.0.1.2443-universal.jar | None                                     |
    | LC    | geckolib3           | 3.0.0         | forge-1.12.2-geckolib-3.0.0-beta.7.jar        | None                                     |
    | LC    | cqrepoured          | 2.5.3B        | Chocolate_Quest_Repoured-1.12.2-2.5.3B.jar    | None                                     |
    | LC    | mocreatures         | 12.0.5        | DrZharks+MoCreatures+Mod-12.0.5.jar           | None                                     |
    | LC    | ichunutil           | 7.2.1         | iChunUtil-1.12.2-7.2.1.jar                    | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
    | LC    | journeymap          | 1.12.2-5.5.2  | journeymap-1.12.2-5.5.2.jar                   | None                                     |
    | L     | matmos              | 1.12.2-35.3.1 | matmos-1.12.2-35.3.1-mixin0.7.jar             | None                                     |
    | L     | minions             | 2.0.3         | Minions-1.12.2.jar                            | None                                     |
    | L     | goblin_mod_reforged | 1.0.0         | Mod_Goblin_1.12.2_1.0.1_byestorc.jar          | None                                     |
    | L     | morph               | 7.1.3         | Morph-1.12.2-7.1.3.jar                        | None                                     |
    | L     | mutantbeasts        | 1.12.2-1.0.2  | MutantBeasts-1.12.2-1.0.2.jar                 | None                                     |
    | L     | orespawn            | 3.3.1         | OreSpawn-1.12-3.3.1.179.jar                   | None                                     |
    | L     | ruins               | 17.2          | Ruins-1.12.2.jar                              | None                                     |
    | L     | twilightforest      | 3.9.984       | twilightforest-1.12.2-3.9.984-universal.jar   | None                                     |

    Loaded coremods (and transformers): 
    Profiler Position: N/A (disabled)
    Is Modded: Definitely; Server brand changed to 'fml,forge'
    Type: Dedicated Server (map_server.txt)

[diesieben07]

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