Server Help

[Default00]

Been running servers a while. No idea how to fix this, can I get some help in trying to fix this, Thank you

 

---- Minecraft Crash Report ----

WARNING: coremods are present:
  IELoadingPlugin (ImmersiveEngineering-core-0.12-89.jar)
Contact their authors BEFORE contacting forge

// Uh... Did I do that?

Time: 7/10/19 10:40 PM
Description: Exception in server tick loop

java.lang.NoClassDefFoundError: net/minecraft/client/gui/Gui
    at tk.nukeduck.hud.BetterHud.<clinit>(BetterHud.java:57)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Unknown Source)
    at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:539)
    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:593)
    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: net.minecraft.client.gui.Gui
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 35 more
Caused by: java.lang.NullPointerException

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_211, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 646863584 bytes (616 MB) / 908591104 bytes (866 MB) up to 3801088000 bytes (3625 MB)
    JVM Flags: 0 total; 
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP 9.42 Powered by Forge 14.23.5.2838 17 mods loaded, 17 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    | forge-1.12.2-14.23.5.2838-universal.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | LC    | forge                | 14.23.5.2838 | forge-1.12.2-14.23.5.2838-universal.jar | e3c3d50c7c986df74c645c0ac54639741c90a557 |
    | L     | hud                  | 1.4-beta     | Better-HUD-Mod-1.12.2.jar               | None                                     |
    | L     | customspawner        | 3.11.4       | Custom-Mob-Spawner-Mod-1.12.2.jar       | None                                     |
    | L     | ptrmodellib          | 1.0.2        | PTRLib-1.12.2.jar                       | None                                     |
    | L     | props                | 2.6.1        | DecoCraft-Mod-1.12.2.jar                | None                                     |
    | L     | dmp                  | 1.12.0       | Decoration-Mega-Pack-Mod-1.12.2.jar     | None                                     |
    | L     | engineersdecor       | 1.0.9-b3     | Engineers-Decor-Mod-1.12.2.jar          | None                                     |
    | L     | buildingblocks       | 1.2          | Just-Build-It-Mod-1.12.2.jar            | None                                     |
    | L     | radixcore            | 1.12.x-2.2.1 | RadixCore-1.12.2.jar                    | None                                     |
    | L     | mca                  | 1.12.2-5.3.1 | MCA-1.12.x-5.3.1-universal.jar          | None                                     |
    | L     | mocreatures          | 12.0.5       | Mo-Creatures-Mod-1.12.2.jar             | None                                     |
    | L     | cfm                  | 6.3.0        | MrCrayfishs-Furniture-Mod-1.12.2.jar    | None                                     |
    | L     | trashslot            | 8.4.10       | TrashSlot-Mod-1.12.2.jar                | None                                     |
    | L     | immersiveengineering | 0.12-89      | Immersive-Engineering-Mod-1.12.2.jar    | None                                     |

    Loaded coremods (and transformers): 
IELoadingPlugin (ImmersiveEngineering-core-0.12-89.jar)
  blusunrize.immersiveengineering.common.asm.IEClassTransformer
    Profiler Position: N/A (disabled)
    Is Modded: Definitely; Server brand changed to 'fml,forge'
    Type: Dedicated Server (map_server.txt)

[DavidM]

BetterHUD is a client-only mod.

Do not install it on the server.

[DaemonUmbra]

The filenames of some of your mods suggests you are not getting them from official sources, please read my signature for more info on why this is a bad thing.