I keep getting this after I push the play button on the minecraft launcher

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

Sorry but I no longer support 1.8.9. That Minecraft version is ancient

THis is the full crash report
---- Minecraft Crash Report ----
// Don't do that.

Time: 7/2/21 12:59 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: 360257392 bytes (343 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 5 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)
BazaarNotifier{1.4.2} [BazaarNotifier] (BazaarNotifier-1.4.2.jar)
null{1.0} [null] (cgm-1.0.1-mc1.16.3.jar)
Loaded coremods (and transformers):
GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 457.51' Renderer: 'GeForce GT 1030/PCIe/SSE2'
Launched Version: 1.8.9-forge1.8.9-11.15.1.2318-1.8.9
LWJGL: 2.9.4
OpenGL: GeForce GT 1030/PCIe/SSE2 GL version 4.6.0 NVIDIA 457.51, 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: !   §fsnow§9fault §f[16x]
Current Language: English (US)
Profiler Position: N/A (disabled)
CPU: 4x Intel(R) Core(TM) i5-3470 CPU @ 3.20GHz