I'm having trouble running pixelmon in 1.16.5

[BandoNando]

---- Minecraft Crash Report ----
// Uh... Did I do that?

Time: 9/23/22 12:21 AM
Description: Mod loading error has occurred

java.lang.Exception: Mod Loading has failed
    at net.minecraftforge.fml.CrashReportExtender.dumpModLoadingCrashReport(CrashReportExtender.java:85) [?:?] {re:classloading}
    at net.minecraftforge.fml.client.ClientModLoader.completeModLoading(ClientModLoader.java:188) [?:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.lambda$null$1(Minecraft.java:508) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft$$Lambda$5409/528757371.run(Unknown Source) [?:?] {}
    at net.minecraft.util.Util.func_215077_a(Util.java:320) [?:?] {re:classloading}
    at net.minecraft.client.Minecraft.lambda$new$2(Minecraft.java:504) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft$$Lambda$5183/1947910788.accept(Unknown Source) [?:?] {}
    at net.minecraft.client.gui.ResourceLoadProgressGui.func_230430_a_(ResourceLoadProgressGui.java:113) [?:?] {re:classloading,pl:runtimedistcleaner:A}
    at net.minecraft.client.renderer.GameRenderer.func_195458_a(GameRenderer.java:481) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.func_195542_b(Minecraft.java:976) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:607) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.main.Main.main(Main.java:184) [?:?] {re:classloading,pl:runtimedistcleaner:A}
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}
    at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.16.5-36.2.0.jar:36.2] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$439/463215441.call(Unknown Source) [forge-1.16.5-36.2.0.jar:36.2] {}
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.0.9.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.0.9.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.0.9.jar:?] {}
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.0.9.jar:?] {}
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.0.9.jar:?] {}

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

-- Head --
Thread: Render thread
Stacktrace:
    at java.lang.ClassLoader.findClass(ClassLoader.java:530) ~[?:1.8.0_51] {}
-- MOD pixelmon --
Details:
    Caused by 0: java.lang.NoClassDefFoundError: net/minecraftforge/event/OnDatapackSyncEvent
        at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:1.8.0_51] {}
        at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[?:1.8.0_51] {}
        at java.lang.Class.privateGetPublicMethods(Class.java:2902) ~[?:1.8.0_51] {}
        at java.lang.Class.getMethods(Class.java:1615) ~[?:1.8.0_51] {}
        at net.minecraftforge.eventbus.EventBus.registerClass(EventBus.java:75) ~[eventbus-4.0.0.jar:?] {}
        at net.minecraftforge.eventbus.EventBus.register(EventBus.java:118) ~[eventbus-4.0.0.jar:?] {}
        at net.minecraftforge.fml.AutomaticEventSubscriber.lambda$inject$6(AutomaticEventSubscriber.java:75) ~[?:?] {re:classloading}
        at net.minecraftforge.fml.AutomaticEventSubscriber$$Lambda$3119/1232294560.accept(Unknown Source) ~[?:?] {}
        at java.util.ArrayList.forEach(ArrayList.java:1249) ~[?:1.8.0_51] {}
        at net.minecraftforge.fml.AutomaticEventSubscriber.inject(AutomaticEventSubscriber.java:62) ~[?:?] {re:classloading}
        at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:91) ~[?:36.2] {re:classloading}
        at net.minecraftforge.fml.javafmlmod.FMLModContainer$$Lambda$3070/373682836.run(Unknown Source) ~[?:?] {}
        at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:120) ~[?:?] {re:classloading}
        at net.minecraftforge.fml.ModContainer$$Lambda$3090/1863980798.run(Unknown Source) ~[?:?] {}
        at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1618) ~[?:1.8.0_51] {}
        at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1610) ~[?:1.8.0_51] {}
        at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51] {}
        at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51] {}
        at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51] {}
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51] {}

    Mod File: pixelmon-1.16.5-9.0.9-universal.jar
    Failure message: Pixelmon Mod (pixelmon) has failed to load correctly
        java.lang.NoClassDefFoundError: net/minecraftforge/event/OnDatapackSyncEvent
    Mod Version: 9.0.9
    Mod Issue URL: https://pixelmonmod.com/tracker.php?p=2
    Exception message: java.lang.ClassNotFoundException: net.minecraftforge.event.OnDatapackSyncEvent
Stacktrace:
    at java.lang.ClassLoader.findClass(ClassLoader.java:530) ~[?:1.8.0_51] {}
    at java.lang.ClassLoader.loadClass(ClassLoader.java:424) ~[?:1.8.0_51] {}
    at cpw.mods.modlauncher.TransformingClassLoader.loadClass(TransformingClassLoader.java:106) ~[modlauncher-8.0.9.jar:?] {re:classloading}
    at java.lang.ClassLoader.loadClass(ClassLoader.java:357) ~[?:1.8.0_51] {}
    at java.lang.Class.getDeclaredMethods0(Native Method) ~[?:1.8.0_51] {}
    at java.lang.Class.privateGetDeclaredMethods(Class.java:2701) ~[?:1.8.0_51] {}
    at java.lang.Class.privateGetPublicMethods(Class.java:2902) ~[?:1.8.0_51] {}
    at java.lang.Class.getMethods(Class.java:1615) ~[?:1.8.0_51] {}
    at net.minecraftforge.eventbus.EventBus.registerClass(EventBus.java:75) ~[eventbus-4.0.0.jar:?] {}
    at net.minecraftforge.eventbus.EventBus.register(EventBus.java:118) ~[eventbus-4.0.0.jar:?] {}
    at net.minecraftforge.fml.AutomaticEventSubscriber.lambda$inject$6(AutomaticEventSubscriber.java:75) ~[?:?] {re:classloading}
    at net.minecraftforge.fml.AutomaticEventSubscriber$$Lambda$3119/1232294560.accept(Unknown Source) ~[?:?] {}
    at java.util.ArrayList.forEach(ArrayList.java:1249) ~[?:1.8.0_51] {}
    at net.minecraftforge.fml.AutomaticEventSubscriber.inject(AutomaticEventSubscriber.java:62) ~[?:?] {re:classloading}
    at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:91) ~[?:36.2] {re:classloading}
    at net.minecraftforge.fml.javafmlmod.FMLModContainer$$Lambda$3070/373682836.run(Unknown Source) ~[?:?] {}
    at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:120) ~[?:?] {re:classloading}
    at net.minecraftforge.fml.ModContainer$$Lambda$3090/1863980798.run(Unknown Source) ~[?:?] {}
    at java.util.concurrent.CompletableFuture$AsyncRun.run(CompletableFuture.java:1618) ~[?:1.8.0_51] {}
    at java.util.concurrent.CompletableFuture$AsyncRun.exec(CompletableFuture.java:1610) ~[?:1.8.0_51] {}
    at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51] {}
    at java.util.concurrent.ForkJoinPool$WorkQueue.runTask(ForkJoinPool.java:1056) ~[?:1.8.0_51] {}
    at java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1689) ~[?:1.8.0_51] {}
    at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51] {}

-- System Details --
Details:
    Minecraft Version: 1.16.5
    Minecraft Version ID: 1.16.5
    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: 911529760 bytes (869 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
    CPUs: 8
    JVM Flags: 10 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -XX:+IgnoreUnrecognizedVMOptions -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
    ModLauncher: 8.0.9+86+master.3cf110c
    ModLauncher launch target: fmlclient
    ModLauncher naming: srg
    ModLauncher services: 
        /mixin-0.8.2.jar mixin PLUGINSERVICE 
        /eventbus-4.0.0.jar eventbus PLUGINSERVICE 
        /forge-1.16.5-36.2.0.jar object_holder_definalize PLUGINSERVICE 
        /forge-1.16.5-36.2.0.jar runtime_enum_extender PLUGINSERVICE 
        /accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE 
        /forge-1.16.5-36.2.0.jar capability_inject_definalize PLUGINSERVICE 
        /forge-1.16.5-36.2.0.jar runtimedistcleaner PLUGINSERVICE 
        /mixin-0.8.2.jar mixin TRANSFORMATIONSERVICE 
        /forge-1.16.5-36.2.0.jar fml TRANSFORMATIONSERVICE 
    FML: 36.2
    Forge: net.minecraftforge:36.2.0
    FML Language Providers: 
        javafml@36.2
        minecraft@1
    Mod List: 
        forge-1.16.5-36.2.0-client.jar                    |Minecraft                     |minecraft                     |1.16.5              |CREATE_REG|Manifest: NOSIGNATURE
        forge-1.16.5-36.2.0-universal.jar                 |Forge                         |forge                         |36.2.0              |CREATE_REG|Manifest: 22:af:21:d8:19:82:7f:93:94:fe:2b:ac:b7:e4:41:57:68:39:87:b1:a7:5c:c6:44:f9:25:74:21:14:f5:0d:90
        pixelmon-1.16.5-9.0.9-universal.jar               |Pixelmon Mod                  |pixelmon                      |9.0.9               |ERROR     |Manifest: NOSIGNATURE
    Crash Report UUID: d1776503-3d03-4e44-bf8f-5dd2e8039990

[ChampionAsh5357]

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