I'm having problems with Pixelmon 1.16.5

[ArticUnderTaker]

---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 20.06.22 19:33
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$$Lambda$5434/624630973.run(Unknown Source) [?:?] {}
    at net.minecraft.util.Util.func_215077_a(Util.java:430) [?:?] {re:classloading,xf:OptiFine:default}
    at net.minecraft.client.Minecraft.lambda$new$2(Minecraft.java:504) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft$$Lambda$5201/191307226.accept(Unknown Source) [?:?] {}
    at net.minecraft.client.gui.ResourceLoadProgressGui.func_230430_a_(ResourceLoadProgressGui.java:172) [?:?] {re:classloading,xf:OptiFine:default}
    at net.minecraft.client.renderer.GameRenderer.func_195458_a(GameRenderer.java:802) [?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
    at net.minecraft.client.Minecraft.func_195542_b(Minecraft.java:976) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:607) [?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.main.Main.main(Main.java:184) [?:?] {re:classloading,pl:runtimedistcleaner:A}
    at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_51] {}
    at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_51] {}
    at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_51] {}
    at java.lang.reflect.Method.invoke(Method.java:497) ~[?:1.8.0_51] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:51) [forge-1.16.5-36.2.0.jar:36.2] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$446/1143968486.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$$Lambda$3150/935600644.accept(Unknown Source) ~[?:?] {}
        at java.util.ArrayList.forEach(ArrayList.java:1249) ~[?:1.8.0_51] {}
        at net.minecraftforge.fml.AutomaticEventSubscriber.inject(AutomaticEventSubscriber.java:62) ~[?:?] {re:classloading}
        at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:91) ~[?:36.2] {re:classloading}
        at net.minecraftforge.fml.javafmlmod.FMLModContainer$$Lambda$3097/966457052.run(Unknown Source) ~[?:?] {}
        at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:120) ~[?:?] {re:classloading}
        at net.minecraftforge.fml.ModContainer$$Lambda$3120/451768075.run(Unknown Source) ~[?:?] {}
        at java.util.concurrent.CompletableFuture$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] {re:computing_frames}
        at java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:157) ~[?:1.8.0_51] {}

    Mod File: Pixelmon-1.16.5-9.0.2-universal.jar
    Failure message: Pixelmon Mod (pixelmon) has failed to load correctly
        java.lang.NoClassDefFoundError: net/minecraftforge/event/OnDatapackSyncEvent
    Mod Version: 9.0.2
    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$$Lambda$3150/935600644.accept(Unknown Source) ~[?:?] {}
    at java.util.ArrayList.forEach(ArrayList.java:1249) ~[?:1.8.0_51] {}
    at net.minecraftforge.fml.AutomaticEventSubscriber.inject(AutomaticEventSubscriber.java:62) ~[?:?] {re:classloading}
    at net.minecraftforge.fml.javafmlmod.FMLModContainer.constructMod(FMLModContainer.java:91) ~[?:36.2] {re:classloading}
    at net.minecraftforge.fml.javafmlmod.FMLModContainer$$Lambda$3097/966457052.run(Unknown Source) ~[?:?] {}
    at net.minecraftforge.fml.ModContainer.lambda$buildTransitionHandler$4(ModContainer.java:120) ~[?:?] {re:classloading}
    at net.minecraftforge.fml.ModContainer$$Lambda$3120/451768075.run(Unknown Source) ~[?:?] {}
    at java.util.concurrent.CompletableFuture$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] {re:computing_frames}
    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: 663689536 bytes (632 MB) / 1912602624 bytes (1824 MB) up to 2147483648 bytes (2048 MB)
    CPUs: 4
    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 
        /OptiFine_1.16.5_HD_U_G7.jar OptiFine TRANSFORMATIONSERVICE 
        /forge-1.16.5-36.2.0.jar fml TRANSFORMATIONSERVICE 
    FML: 36.2
    Forge: net.minecraftforge:36.2.0
    FML Language Providers: 
        [email protected]
        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
        Xaeros_Minimap_22.9.3_Forge_1.16.5.jar            |Xaero's Minimap               |xaerominimap                  |22.9.3              |CREATE_REG|Manifest: NOSIGNATURE
        Waystones_1.16.5-7.6.4.jar                        |Waystones                     |waystones                     |7.6.4               |CREATE_REG|Manifest: NOSIGNATURE
        Pixelmon-1.16.5-9.0.2-universal.jar               |Pixelmon Mod                  |pixelmon                      |9.0.2               |ERROR     |Manifest: NOSIGNATURE
        jei-1.16.5-7.7.1.152.jar                          |Just Enough Items             |jei                           |7.7.1.152           |CREATE_REG|Manifest: NOSIGNATURE
    Crash Report UUID: 3c05992c-5964-48cc-af61-a6ea11481bf8
    OptiFine Version: OptiFine_1.16.5_HD_U_G7
    OptiFine Build: 20210305-003221
    Render Distance Chunks: 12
    Mipmaps: 4
    Anisotropic Filtering: 1
    Antialiasing: 0
    Multitexture: false
    Shaders: BSL_v8.1p1 (1).zip
    OpenGlVersion: 4.6.13596 Compatibility Profile Context 20.10.44 27.20.11044.7
    OpenGlRenderer: AMD 15D8:C9
    OpenGlVendor: ATI Technologies Inc.
    CpuCount: 4