Minecraft forge crash

I'm trying to play some modded Minecraft with forge 1.6.4 but it keeps crashing with this crash note.

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 4/6/23 1:42 PM
Description: Initializing game

java.lang.NoClassDefFoundError: cpw/mods/fml/common/network/simpleimpl/IMessage
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:462)
    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.EventHandler.handleEvent(EventHandler.java:74)
    at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
    at com.google.common.eventbus.EventBus.post(EventBus.java:267)
    at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:201)
    at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
    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.EventHandler.handleEvent(EventHandler.java:74)
    at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
    at com.google.common.eventbus.EventBus.post(EventBus.java:267)
    at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:112)
    at cpw.mods.fml.common.Loader.loadMods(Loader.java:511)
    at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:183)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:473)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:808)
    at net.minecraft.client.main.Main.main(SourceFile:101)
    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:131)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:27)
Caused by: java.lang.ClassNotFoundException: cpw.mods.fml.common.network.simpleimpl.IMessage
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:186)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 35 more
Caused by: java.lang.NullPointerException
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:178)
    ... 37 more

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

-- Head --
Stacktrace:
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at cpw.mods.fml.common.FMLModContainer.constructMod(FMLModContainer.java:462)
    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.EventHandler.handleEvent(EventHandler.java:74)
    at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
    at com.google.common.eventbus.EventBus.post(EventBus.java:267)
    at cpw.mods.fml.common.LoadController.sendEventToModContainer(LoadController.java:201)
    at cpw.mods.fml.common.LoadController.propogateStateMessage(LoadController.java:181)
    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.EventHandler.handleEvent(EventHandler.java:74)
    at com.google.common.eventbus.SynchronizedEventHandler.handleEvent(SynchronizedEventHandler.java:45)
    at com.google.common.eventbus.EventBus.dispatch(EventBus.java:313)
    at com.google.common.eventbus.EventBus.dispatchQueuedEvents(EventBus.java:296)
    at com.google.common.eventbus.EventBus.post(EventBus.java:267)
    at cpw.mods.fml.common.LoadController.distributeStateMessage(LoadController.java:112)
    at cpw.mods.fml.common.Loader.loadMods(Loader.java:511)
    at cpw.mods.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:183)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:473)

-- Initialization --
Details:
Stacktrace:
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:808)
    at net.minecraft.client.main.Main.main(SourceFile:101)
    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:131)
    at net.minecraft.launchwrapper.Launch.main(Launch.java:27)

-- System Details --
Details:
    Minecraft Version: 1.6.4
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_51, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 396029376 bytes (377 MB) / 536870912 bytes (512 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
    Suspicious classes: FML and Forge are installed
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP v8.11 FML v6.4.50.1,345 Minecraft Forge 9.11.1.1345 34 mods loaded, 34 mods active
    mcp{8.09} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed
    FML{6.4.50.1,345} [Forge Mod Loader] (minecraftforge-9.11.1.1345.jar) Unloaded->Constructed
    Forge{9.11.1.1345} [Minecraft Forge] (minecraftforge-9.11.1.1345.jar) Unloaded->Constructed
    FamiliarsAPI{1.6.4} [Familiars API] (Familiars_API_1.6.4a) Unloaded->Constructed
    battlegear2{1.0.4.8} [Mine & Blade Battlegear 2 - Bullseye] (1.6.4-MB_Battlegear2-Bullseye-1.0.4.8.jar) Unloaded->Constructed
    DamageIndicatorsMod{2.9.2.3} [Damage Indicators] ([Minecraft-INSIDE.com] 1.6.4_damageindicatorsv2.9.2.3) Unloaded->Constructed
    Morph{0.5.0} [Morph] ([Minecraft-INSIDE.com] morphing_mod_1.6.4) Unloaded->Constructed
    TLSpecialArmor{1.6.4} [SpecialArmor] ([Minecraft-INSIDE.com] special_armor_mod_1.6.4) Unloaded->Constructed
    mod_ZanMinimap{0.9.4} [Zan's Minimap] ([Minecraft-INSIDE.com] zans_minimap_mod_forge_1.6.4) Unloaded->Constructed
    FTL{1.0.0_R1} [Flesh To Leather] (_1.6.4__Flesh_To_Leather_V.1.0.0_R1.jar) Unloaded->Constructed
    animalbikes{2} [AnimalBikes] (AnimalBikes_1.6.2-1.6.4) Unloaded->Constructed
    AnimationAPI{1.2.2} [AnimationAPI] (AnimationAPI_1.7.2.jar) Unloaded
    Backpack{1.28.37} [Backpack] (backpack-1.28.37-1.6.x.jar) Unloaded
    DynamicLights{1.2.8} [Dynamic Lights] (DynamicLights_1.6.4.jar) Unloaded
    DynamicLights_onFire{1.0.3} [Dynamic Lights on burning] (DynamicLights_1.6.4.jar) Unloaded
    DynamicLights_creepers{1.0.3} [Dynamic Lights on Creepers] (DynamicLights_1.6.4.jar) Unloaded
    DynamicLights_dropItems{1.0.5} [Dynamic Lights on ItemEntities] (DynamicLights_1.6.4.jar) Unloaded
    DynamicLights_entityClasses{1.0.0} [Dynamic Lights on specified Entities] (DynamicLights_1.6.4.jar) Unloaded
    DynamicLights_mobEquipment{1.0.3} [Dynamic Lights on Mob Equipment] (DynamicLights_1.6.4.jar) Unloaded
    DynamicLights_flameArrows{1.0.0} [Dynamic Lights on Flame enchanted Arrows] (DynamicLights_1.6.4.jar) Unloaded
    DynamicLights_otherPlayers{1.0.5} [Dynamic Lights Other Player Light] (DynamicLights_1.6.4.jar) Unloaded
    DynamicLights_thePlayer{1.0.9} [Dynamic Lights Player Light] (DynamicLights_1.6.4.jar) Unloaded
    eplus{1.16.2} [Enchanting Plus] (EnchantingPlusMod1.6.2.jar) Unloaded
    EndlessCity{1.0} [Endless City] (Endless-City-Mod-1.6.4) Unloaded
    golemworld{@VERSION@} [Golem World] (GolemWorldMod1.6.2.jar) Unloaded
    iChunUtil{2.4.0} [iChunUtil] (iChunUtil2.4.0) Unloaded
    GraviGun{2.0.0} [GraviGun] (GravityGun2.0.0 (1)) Unloaded
    GrimoireGaia2{1.8.2} [§2Grimoire of Gaia 2] (GrimoireOfGaia2-1.6.4-1.8.2c) Unloaded
    Hats{2.1.5} [Hats] (Hats2.1.5) Unloaded
    InfernalMobs{1.4.4} [Infernal Mobs] (InfernalMobs_1.6.4) Unloaded
    LegendaryBeasts{a1.6.4.0} [Legendary Beasts] (Legendary-Beasts-Mod-1.6.4) Unloaded
    MoreSwordsMod{2.6.0} [More Swords Mod] (More_Swords_Mod_2.6.0_For_1.6.4 (1).jar) Unloaded
    MutantCreatures{1.4.4} [Mutant Creatures] (Mutant_Creatures_v1.4.4_mc1.6.4 (1)) Unloaded
    telepads{1.6.4 v5} [Teleportation Pads] (TelePadsMod1.6.4) Unloaded
    Launched Version: 1.6.4-Forge9.11.1.1345
    LWJGL: 2.9.0
    OpenGL: AMD Radeon RX 5700 XT GL version 4.6.0 Compatibility Profile Context 22.20.27.07.221020, ATI Technologies Inc.
    Is Modded: Definitely; Client brand changed to 'fml,forge'
    Type: Client (map_client.txt)
    Resource Pack: Default
    Current Language: English (US)
    Profiler Position: N/A (disabled)
    Vec3 Pool Size: ~~ERROR~~ NullPointerException: null