I had mods installed before, but when i added some, this happened.

[MrFuso_1144]

---- Minecraft Crash Report ----
// There are four lights!

Time: 5/27/20 3:49 PM
Description: There was a severe problem during mod loading that has caused the game to fail

cpw.mods.fml.common.LoaderException: java.lang.NoClassDefFoundError: codechicken/lib/packet/PacketCustom$ICustomPacketHandler
    at cpw.mods.fml.common.LoadController.transition(LoadController.java:163)
    at cpw.mods.fml.common.Loader.loadMods(Loader.java:544)
    at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:208)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:480)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:878)
    at net.minecraft.client.main.Main.main(SourceFile:148)
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:28)
Caused by: java.lang.NoClassDefFoundError: codechicken/lib/packet/PacketCustom$ICustomPacketHandler
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at cpw.mods.fml.common.ProxyInjector.inject(ProxyInjector.java:42)
    at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:512)
    at sun.reflect.GeneratedMethodAccessor7.invoke(Unknown Source)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    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(NativeMethodAccessorImpl.java:62)
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
    at java.lang.reflect.Method.invoke(Method.java:497)
    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.loadMods(Loader.java:513)
    ... 10 more
Caused by: java.lang.ClassNotFoundException: codechicken.lib.packet.PacketCustom$ICustomPacketHandler
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:101)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 35 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 8 (amd64) version 6.2
    Java Version: 1.8.0_51, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 287276952 bytes (273 MB) / 872415232 bytes (832 MB) up to 2147483648 bytes (2048 MB)
    JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
    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 10.13.4.1614 26 mods loaded, 26 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
    UC    mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) 
    UC    FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1614-1.7.10.jar) 
    UC    Forge{10.13.4.1614} [Minecraft Forge] (forge-1.7.10-10.13.4.1614-1.7.10.jar) 
    UC    appliedenergistics2-core{rv3-beta-6} [Applied Energistics 2 Core] (minecraft.jar) 
    UC    <DragonAPI ASM>{0} [DragonAPI ASM Data Initialization] (minecraft.jar) 
    UC    mod_LargeSign{2.0} [Large Sign] ([1.7.10-10.13.2.1230]Large+Sign-2.0.jar) 
    UC    appliedenergistics2{rv3-beta-6} [Applied Energistics 2] (appliedenergistics2-rv3-beta-6.jar) 
    UC    BrandonsCore{1.0.0.12} [Brandon's Core] (BrandonsCore-1.0.0.12.jar) 
    UC    ComputerCraft{1.75} [ComputerCraft] (ComputerCraft1.75.jar) 
    UC    craftguide{1.7.1.0} [CraftGuide] (CraftGuide-1.7.1.0-forge.jar) 
    UC    DraconicEvolution{1.0.2h} [Draconic Evolution] (Draconic-Evolution-1.7.10-1.0.2h.jar) 
    UC    DragonAPI{v26a} [DragonAPI] (DragonAPI+1.7.10+V26a.jar) 
    UC    Eln{@VERSION@} [Electrical Age] (ElectricalAge-1.17.0.jar) 
    UC    hbm{1.0.27 BETA (3479)} [Hbm's Nuclear Tech] (hbm_1.0.27_X3479.jar) 
    UC    malisiscore{1.7.10-0.14.3} [MalisisCore] (malisiscore-1.7.10-0.14.3.jar) 
    UC    malisisdoors{1.7.10-1.13.2} [Malisis' Doors] (malisisdoors-1.7.10-1.13.2.jar) 
    UC    cfm{3.4.7} [§9MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.4.7(1.7.10).jar) 
    UC    NuclearCraft{1.9g} [NuclearCraft] (NuclearCraft-1.9g--1.7.10.jar) 
    UC    Railcraft{9.12.2.0} [Railcraft] (Railcraft_1.7.10-9.12.2.0.jar) 
    UC    RotaryCraft{v26a} [RotaryCraft] (RotaryCraft+1.7.10+V26a.jar) 
    UC    ReactorCraft{v26a} [ReactorCraft] (ReactorCraft+1.7.10+V26a.jar) 
    UC    thirstmod{1.8.14} [Thirst Mod] (Thirst-Mod-1.7.10.jar) 
    UE    thutcore{2.0} [ThutCore] (ThutMods-2.1.jar) 
    UE    ThutConcrete{2.0.0} [Thut's Concrete] (ThutMods-2.1.jar) 
    UE    ThutTech{2.0.0} [Thut's Tech] (ThutMods-2.1.jar) 
    UC    xaerominimap{20.0.0} [Xaero's Minimap] (Xaeros_Minimap_20.0.0_Forge_1.7.10.jar) 
    GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 441.41' Renderer: 'GeForce GTX 770/PCIe/SSE2'
    AE2 Version: beta rv3-beta-6 for Forge 10.13.4.1448

[MrFuso_1144]

PLease HELP

[LexManos]

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