Help pls

[Nino]

I want to make an modded server via forge but there is this error that i can't understand,maybe you can help me pls ?

 

---- Minecraft Crash Report ----
// Why did you do that?

Time: 21/05/19 19.30
Description: Exception in server tick loop

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraft/client/gui/GuiScreen
    at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)
    at cpw.mods.fml.common.Loader.initializeMods(Loader.java:739)
    at cpw.mods.fml.server.FMLServerHandler.finishServerLoading(FMLServerHandler.java:97)
    at cpw.mods.fml.common.FMLCommonHandler.onServerStarted(FMLCommonHandler.java:319)
    at net.minecraft.server.dedicated.DedicatedServer.func_71197_b(DedicatedServer.java:210)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
    at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)
Caused by: java.lang.NoClassDefFoundError: net/minecraft/client/gui/GuiScreen
    at jds.bibliocraft.BiblioCraft.load(BiblioCraft.java:201)
    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 cpw.mods.fml.common.FMLModContainer.handleModStateEvent(FMLModContainer.java:532)
    at sun.reflect.GeneratedMethodAccessor4.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
    at java.lang.reflect.Method.invoke(Unknown Source)
    at com.google.common.eventbus.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:212)
    at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:190)
    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.EventSubscriber.handleEvent(EventSubscriber.java:74)
    at com.google.common.eventbus.SynchronizedEventSubscriber.handleEvent(SynchronizedEventSubscriber.java:47)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:322)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:304)
    at com.google.common.eventbus.EventBus.post(EventBus.java:275)
    at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:119)
    at cpw.mods.fml.common.Loader.initializeMods(Loader.java:737)
    ... 5 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.gui.GuiScreen
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    at java.lang.ClassLoader.loadClass(Unknown Source)
    ... 32 more
Caused by: java.lang.RuntimeException: Attempted to load class bdw for invalid side SERVER
    at cpw.mods.fml.common.asm.transformers.SideTransformer.transform(SideTransformer.java:50)
    at net.minecraft.launchwrapper.LaunchClassLoader.runTransformers(LaunchClassLoader.java:279)
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:176)
    ... 34 more

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

-- System Details --
Details:
    Minecraft Version: 1.7.10
    Operating System: Windows 7 (amd64) version 6.1
    Java Version: 1.8.0_211, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 286764944 bytes (273 MB) / 432537600 bytes (412 MB) up to 921174016 bytes (878 MB)
    JVM Flags: 0 total; 
    AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP v9.05 FML v7.10.99.99 Minecraft Forge 10.13.4.1558 15 mods loaded, 15 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
    UCHI    mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) 
    UCHI    FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1558-1.7.10-universal.jar) 
    UCHI    Forge{10.13.4.1558} [Minecraft Forge] (forge-1.7.10-10.13.4.1558-1.7.10-universal.jar) 
    UCHI    CodeChickenCore{1.0.7.47} [CodeChicken Core] (minecraft.jar) 
    UCHI    NotEnoughItems{1.0.5.120} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.120-universal.jar) 
    UCHI    armourersWorkshop{1.7.10-0.48.3} [Armourer's Workshop] (Armourers-Workshop-1.7.10-0.48.3.jar) 
    UCHE    BiblioCraft{1.11.6} [BiblioCraft] (BiblioCraft-Mod-1.7.10.jar) 
    UCHI    customnpcs{1.7.10d} [CustomNpcs] (Custom-NPCs-Mod-1.7.10.jar) 
    UCHI    jinryuujrmcore{1.3.19} [JinRyuu's JRMCore] (JRMCore-v1.3.19.jar) 
    UCHI    jinryuudragonblockc{1.4.59} [Dragon Block C] (DragonBlockC-v1.4.59.jar) 
    UCHI    jinryuubetterrenderaddon{1.6.35} [JinRyuu's Better Render Addon] (JBRA-Client-v1.6.35.jar) 
    UCHI    jinryuuhdskinsextended{1.3.1} [JinRyuu's HD Skins Extended] (JinRyuu's-HDSkins-Mod-1.7.10-v1.3.1.jar) 
    UCHI    journeymap{5.1.4p1} [JourneyMap] (JourneyMap-Mod-1.7.10-Unlimited.jar) 
    UCHI    MoarSigns{1.2.4} [MoarSigns] (MoarSigns-1.7.10-1.2.4.jar) 
    UCHI    mobbattle{2.0.0[1.7.10]-final} [Mob Battle Mod] (Mob+Battle+Mod-2.0.0[1.7.10]final.jar) 
    Profiler Position: N/A (disabled)
    Is Modded: Definitely; Server brand changed to 'fml,forge'
    Type: Dedicated Server (map_server.txt)

Edited May 21, 2019 by Nino

[DaemonUmbra]

1.7.10 is no longer supported on this forum due to its age.

Please update to a modern version of Minecraft to receive support.