Help With MC Forge 1/8/9

[Cowsmos]

When i run 1.8.9 forge the latest version, it crashes and gives this

The game crashed whilst initializing game Error: java.lang.NullPointerException: Initializing game Exit Code: -1

I click view crash report and get this:

---- Minecraft Crash Report ----

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

// My bad.

Time: 4/7/21 6:57 PM Description: Initializing game

java.lang.NullPointerException: Initializing game at net.minecraftforge.fml.common.Loader$ModIdComparator.compare(Loader.java:375) at net.minecraftforge.fml.common.Loader$ModIdComparator.compare(Loader.java:370) at java.util.TreeMap.getEntryUsingComparator(TreeMap.java:376) at java.util.TreeMap.getEntry(TreeMap.java:345) at java.util.TreeMap.get(TreeMap.java:278) at com.google.common.collect.AbstractMapBasedMultimap.put(AbstractMapBasedMultimap.java:192) at com.google.common.collect.AbstractSetMultimap.put(AbstractSetMultimap.java:121) at com.google.common.collect.TreeMultimap.put(TreeMultimap.java:78) at net.minecraftforge.fml.common.Loader.identifyDuplicates(Loader.java:386) at net.minecraftforge.fml.common.Loader.identifyMods(Loader.java:364) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:488) 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)

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

-- Head -- Stacktrace: at net.minecraftforge.fml.common.Loader$ModIdComparator.compare(Loader.java:375) at net.minecraftforge.fml.common.Loader$ModIdComparator.compare(Loader.java:370) at java.util.TreeMap.getEntryUsingComparator(TreeMap.java:376) at java.util.TreeMap.getEntry(TreeMap.java:345) at java.util.TreeMap.get(TreeMap.java:278) at com.google.common.collect.AbstractMapBasedMultimap.put(AbstractMapBasedMultimap.java:192) at com.google.common.collect.AbstractSetMultimap.put(AbstractSetMultimap.java:121) at com.google.common.collect.TreeMultimap.put(TreeMultimap.java:78) at net.minecraftforge.fml.common.Loader.identifyDuplicates(Loader.java:386) at net.minecraftforge.fml.common.Loader.identifyMods(Loader.java:364) at net.minecraftforge.fml.common.Loader.loadMods(Loader.java:488) at net.minecraftforge.fml.client.FMLClientHandler.beginMinecraftLoading(FMLClientHandler.java:208) 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: Minecraft Version: 1.8.9 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: 339064408 bytes (323 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 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_L5 6 mods loaded, 0 mods active States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored mcp{9.19} [Minecraft Coder Pack] (minecraft.jar) FML{8.0.99.99} [Forge Mod Loader] (forge-1.8.9-11.15.1.2318-1.8.9.jar) Forge{11.15.1.2318} [Minecraft Forge] (forge-1.8.9-11.15.1.2318-1.8.9.jar) null{1.0} [null] (Auto-Sprint-Mod-1.16.1.jar) null{1.0} [null] (FallingTree-Forge-1.16.1-2.5.0.jar) notenoughupdates{2.0.0-REL} [NotEnoughUpdates] (NotEnoughUpdates-2.0-PRE26.jar) Loaded coremods (and transformers): GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 457.85' Renderer: 'GeForce GTX 1660 SUPER/PCIe/SSE2' Launched Version: 1.8.9-forge1.8.9-11.15.1.2318-1.8.9 LWJGL: 2.9.4 OpenGL: GeForce GTX 1660 SUPER/PCIe/SSE2 GL version 4.6.0 NVIDIA 457.85, 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: Yes
Is Modded: Definitely; Client brand changed to 'fml,forge'
Type: Client (map_client.txt)
Resource Packs: §4C§ch§er§ao§bm§3a-§416x.zip
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 12x Intel(R) Core(TM) i5-10400 CPU @ 2.90GHz
OptiFine Version: OptiFine_1.8.9_HD_U_L5
OptiFine Build: 20191204-143016
Render Distance Chunks: 20
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
Shaders: JeezetBlur.zip
OpenGlVersion: 4.6.0 NVIDIA 457.85
OpenGlRenderer: GeForce GTX 1660 SUPER/PCIe/SSE2
OpenGlVendor: NVIDIA Corporation
CpuCount: 12

What do I do?