Minecraft Keeps crashing and i don't know why

[Doaky]

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// You should try our sister game, Minceraft!

Time: 16/05/20 9:18 PM
Description: Initializing game

java.lang.NoClassDefFoundError: net/minecraft/client/gui/GuiScreen
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:459)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.resolvePackageData(ThrowableProxy.java:395)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:97)
    at org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:114)
    at org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:90)
    at org.apache.logging.log4j.core.impl.DefaultLogEventFactory.createEvent(DefaultLogEventFactory.java:49)
    at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:365)
    at org.apache.logging.log4j.core.Logger.log(Logger.java:110)
    at org.apache.logging.log4j.spi.AbstractLogger.log(AbstractLogger.java:1448)
    at net.minecraftforge.fml.relauncher.FMLRelaunchLog.log(FMLRelaunchLog.java:83)
    at net.minecraftforge.fml.common.FMLLog.log(FMLLog.java:40)
    at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:138)
    at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:559)
    at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:243)
    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.ClassNotFoundException: net.minecraft.client.gui.GuiScreen
    at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    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:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:760)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.loadClass(ThrowableProxy.java:459)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.resolvePackageData(ThrowableProxy.java:395)
    at org.apache.logging.log4j.core.impl.ThrowableProxy.<init>(ThrowableProxy.java:97)
    at org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:114)
    at org.apache.logging.log4j.core.impl.Log4jLogEvent.<init>(Log4jLogEvent.java:90)
    at org.apache.logging.log4j.core.impl.DefaultLogEventFactory.createEvent(DefaultLogEventFactory.java:49)
    at org.apache.logging.log4j.core.config.LoggerConfig.log(LoggerConfig.java:365)
    at org.apache.logging.log4j.core.Logger.log(Logger.java:110)
    at org.apache.logging.log4j.spi.AbstractLogger.log(AbstractLogger.java:1448)
    at net.minecraftforge.fml.relauncher.FMLRelaunchLog.log(FMLRelaunchLog.java:83)
    at net.minecraftforge.fml.common.FMLLog.log(FMLLog.java:40)
    at net.minecraftforge.fml.common.LoadController.transition(LoadController.java:138)
    at net.minecraftforge.fml.common.Loader.preinitializeMods(Loader.java:559)
    at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:243)
    at net.minecraft.client.Minecraft.func_71384_a(Minecraft.java:417)

-- Initialization --
Details:
Stacktrace:
    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)

-- System Details --
Details:
    ct.js modules: ~~ERROR~~ NullPointerException: null
    Minecraft Version: 1.8.9
    Operating System: Windows 10 (amd64) version 10.0
    CPU: 8x Intel(R) Core(TM) i7 CPU 860 @ 2.80GHz
    Java Version: 1.8.0_51, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 575695576 bytes (549 MB) / 1073741824 bytes (1024 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 11.15.1.2318 Optifine OptiFine_1.8.9_HD_U_H8 16 mods loaded, 16 mods active
    States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
    UCH    mcp{9.19} [Minecraft Coder Pack] (minecraft.jar) 
    UCH    FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.2318-1.8.9.jar) 
    UCH    Forge{11.15.1.2318} [Minecraft Forge] (forge-1.8.9-11.15.1.2318-1.8.9.jar) 
    UCE    ct.js{0.16.5-SNAPSHOT} [ChatTriggers] (ChatTriggers.jar) 
    UCH    nick_hider{5.2} [Nick Hider] (Nick_hider-5.2.jar) 
    UCH    blockoverlay{2.1} [BlockOverlay] ([1.8.9] BlockOverlay-v2.1.jar) 
    UCH    sidebarmod{2.0} [Sidebar Mod Revamp] ([1.8.9] Sidebar Mod Revamp.jar) 
    UCH    autogg{2.0.4} [Auto GG] (AutoGG-2.0.4 (1.8.9).jar) 
    UCH    autotip{3.0} [Autotip] (Autotip-3.0 [1.8-1.12.2].jar) 
    UCH    ChromaHUD{3.0} [Chroma HUD] (ChromaHUD-3.0.jar) 
    UCH    hystats{2.0} [HyStats] (HyStats-v2.0_1.8.9.jar) 
    UCH    oldanimations{2.3} [oldanimations] (OldAnimationsMod v2.3.1 FORGE MC1.8.9.jar) 
    UCH    Particle_Mod{6.9} [Particle_Mod] (Particle Mod 1.8.8 Forge.jar) 
    UCH    ResourcePackOrganizer{1.0.3} [Resource Pack Organizer] (ResourcePackOrganizer++MC-1.8.9++v1.0.3.jar) 
    UCH    timechanger{1.0} [TimeChanger] (TimeChanger-1.0 (1.8.9).jar) 
    UCH    enhancements{7.4} [Vanilla Enhancements] (Vanilla Enhancements-7.4.jar) 
    Loaded coremods (and transformers): 
    GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.5.0 NVIDIA 376.54' Renderer: 'GeForce GTX 570/PCIe/SSE2'
    Launched Version: 1.8.9-forge1.8.9-11.15.1.2318-1.8.9
    LWJGL: 2.9.4
    OpenGL: GeForce GTX 570/PCIe/SSE2 GL version 4.5.0 NVIDIA 376.54, NVIDIA Corporation
    GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

    Using VBOs: No
    Is Modded: Definitely; Client brand changed to 'fml,forge'
    Type: Client (map_client.txt)
    Resource Packs: 
    Current Language: English (US)
    Profiler Position: N/A (disabled)
    CPU: 8x Intel(R) Core(TM) i7 CPU 860 @ 2.80GHz
    OptiFine Version: OptiFine_1.8.9_HD_U_H8
    Render Distance Chunks: 8
    Mipmaps: 4
    Anisotropic Filtering: 1
    Antialiasing: 0
    Multitexture: false
    Shaders: null
    OpenGlVersion: 4.5.0 NVIDIA 376.54
    OpenGlRenderer: GeForce GTX 570/PCIe/SSE2
    OpenGlVendor: NVIDIA Corporation
    CpuCount: 8

[Novârch]

1.8.9 is no longer supported on this forum. Please update to a modern version of Minecraft to receive support