I added a few mods and this happened, Please help!

---- Minecraft Crash Report ----

WARNING: coremods are present:
  PlayerAPIPlugin (Player API.jar)
  Main (Old Animations.jar)
  FMLLoadingPlugin (MemoryFix.jar)
  FMLLoadingPlugin (No Close-My-Chat.jar)
  FMLLoadingPlugin (Mouse Delay FIX.jar)
Contact their authors BEFORE contacting forge

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Time: 12/08/19 5:25 PM
Description: There was a severe problem during mod loading that has caused the game to fail

net.minecraftforge.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraft/client/particle/Particle
    at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:162)
    at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:543)
    at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:208)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:417)
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:329)
    at net.minecraft.client.main.Main.main(SourceFile:124)
    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: net/minecraft/client/particle/Particle
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:348)
    at net.minecraftforge.fml.common.ProxyInjector.inject(ProxyInjector.java:64)
    at net.minecraftforge.fml.common.FMLModContainer.constructMod(FMLModContainer.java:540)
    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 net.minecraftforge.fml.common.LoadController.sendEventToModContainer(LoadController.java:211)
    at net.minecraftforge.fml.common.LoadController.propogateStateMessage(LoadController.java:189)
    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 net.minecraftforge.fml.common.LoadController.distributeStateMessage(LoadController.java:118)
    at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:512)
    ... 10 more
Caused by: java.lang.ClassNotFoundException: net.minecraft.client.particle.Particle
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:191)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    ... 36 more
Caused by: java.lang.NullPointerException
    at net.minecraft.launchwrapper.LaunchClassLoader.findClass(LaunchClassLoader.java:182)
    ... 38 more

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

-- System Details --
Details:
    ct.js modules: ~~ERROR~~ NullPointerException: null
    Minecraft Version: 1.8.9
    Operating System: Windows 10 (amd64) version 10.0
    CPU: 12x AMD Ryzen 5 2600X Six-Core Processor 
    Java Version: 1.8.0_51, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 259619152 bytes (247 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
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP 9.19 Powered by Forge 11.15.1.1722 Optifine OptiFine_1.8.9_HD_U_I3 24 mods loaded, 24 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{9.19} [Minecraft Coder Pack] (minecraft.jar) 
    UC    FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.1722.jar) 
    UC    Forge{11.15.1.1722} [Minecraft Forge] (forge-1.8.9-11.15.1.1722.jar) 
    UC    mousedelayfix{1.0} [MouseDelayFix] (minecraft.jar) 
    UC    oldanimations{2.4.2} [OldAnimationsMod] (minecraft.jar) 
    UC    PlayerAPI{1.0} [Player API] (minecraft.jar) 
    UC    ct.js{0.16.4-SNAPSHOT} [ChatTriggers] (Chat Triggers.jar) 
    UC    autogg{2.0.4} [Auto GG] (AutoGG.jar) 
    UC    autotip{2.0.3} [Autotip] (Autotip.jar) 
    UC    blockoverlay{1.2} [BlockOverlay] (Block Overlay.jar) 
    UC    canelexkeystrokes{1.0} [Canelex Keystrokes] (Canalex Keystrokes.jar) 
    UC    quickplay{2.0.2} [Quickplay] (Hypixel Quickplay.jar) 
    UC    IngameAccountSwitcher{7.0.1} [In-Game Account Switcher] (In Game Account Switcher.jar) 
    UC    memoryfix{0.3} [MemoryFix] (MemoryFix.jar) 
    UC    refractionoof{1.0} [oof] (Oof mod.jar) 
    UC    keystrokesmod{v3} [KeystrokesMod] (Other Keystrokes Mod.jar) 
    UC    particlemod{1.02} [Particle Mod] (Particle Mod.jar) 
    UE    pixelmon{7.0.7} [Pixelmon] (Pixelmon-1.12.2-7.0.7-universal (2).jar) 
    UC    Powns' CheatbreakerHud{1.0} [Powns' CheatbreakerHud] (Powns Cheatbreaker HUD.jar) 
    UC    ToggleSneak{3.1.4} [ToggleSneak] (Powns ToggleSneak and ToggleSprint.jar) 
    UC    Reach Circles Mod{1.0} [Reach Circles Mod] (Reach Circles Mod.jar) 
    UC    sidebarmod{2.0} [Sidebar Mod Revamp] (Sidebar Mod.jar) 
    UC    timechanger{1.0} [TimeChanger] (Time Changer.jar) 
    UC    enhancements{7.7} [Vanilla Enhancements] (Vanilla Enhancements.jar) 
    Loaded coremods (and transformers): 
PlayerAPIPlugin (Player API.jar)
  api.player.forge.PlayerAPITransformer
Main (Old Animations.jar)
  com.spiderfrog.main.ClassTransformer
FMLLoadingPlugin (MemoryFix.jar)
  io.prplz.memoryfix.ClassTransformer
FMLLoadingPlugin (No Close-My-Chat.jar)
  com.cecer1.noclosemychat.asm.NoCloseMyChatTransformer
FMLLoadingPlugin (Mouse Delay FIX.jar)
  io.prplz.mousedelayfix.ClassTransformer
    GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 431.60' Renderer: 'GeForce GTX 1060 3GB/PCIe/SSE2'

and this 

The game crashed whilst there was a severe problem during mod loading that has caused the game to fail Error: net.minecraftforge.fml.common.LoaderException: java.lang.NoClassDefFoundError: net/minecraft/client/particle/Particle