Pixelmon Mod Crashing

[Jond8945]

---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 2/15/23 4:22 AM
Description: Unexpected error

java.lang.NegativeArraySizeException: null
    at net.minecraft.crash.CrashReportCategory.func_85070_b(CrashReportCategory.java:132) ~[?:?] {re:mixin,re:classloading}
    at net.minecraft.crash.CrashReport.func_85057_a(CrashReport.java:209) ~[?:?] {re:mixin,re:classloading,pl:mixin:APP:notenoughcrashes.mixins.json:MixinCrashReport,pl:mixin:A}
    at net.minecraft.crash.CrashReport.func_85058_a(CrashReport.java:184) ~[?:?] {re:mixin,re:classloading,pl:mixin:APP:notenoughcrashes.mixins.json:MixinCrashReport,pl:mixin:A}
    at net.minecraft.client.renderer.GameRenderer.func_195458_a(GameRenderer.java:484) ~[?:?] {re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.func_195542_b(Minecraft.java:977) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:notenoughcrashes.mixins.json:client.MixinMinecraftClient,pl:mixin:APP:konkrete.mixin.json:client.MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
    at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:607) [?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:notenoughcrashes.mixins.json:client.MixinMinecraftClient,pl:mixin:APP:konkrete.mixin.json:client.MixinMinecraft,pl:mixin:A,pl:runtimedistcleaner:A}
    at net.minecraft.client.main.Main.main(Main.java:184) [?:?] {re:classloading,re:mixin,pl:runtimedistcleaner:A,pl:mixin:APP:notenoughcrashes.forge.mixins.json:client.MixinMain,pl:mixin:A,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-1.16.5-36.2.34.jar:36.2] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$463/542839598.call(Unknown Source) [forge-1.16.5-36.2.34.jar:36.2] {}
    at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37) [modlauncher-8.1.3.jar:?] {re:classloading}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {re:classloading}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {re:classloading}
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {re:classloading}
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {re:classloading}

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

-- System Details --
Details:
    Minecraft Version: 1.16.5
    Minecraft Version ID: 1.16.5
    Operating System: Windows 8.1 (amd64) version 6.3
    Java Version: 1.8.0_51, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 1202983968 bytes (1147 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
    CPUs: 2
    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: 8.1.3+8.1.3+main-8.1.x.c94d18ec
    ModLauncher launch target: fmlclient
    ModLauncher naming: srg
    ModLauncher services:
        /mixin-0.8.4.jar mixin PLUGINSERVICE
        /eventbus-4.0.0.jar eventbus PLUGINSERVICE
        /forge-1.16.5-36.2.34.jar object_holder_definalize PLUGINSERVICE
        /forge-1.16.5-36.2.34.jar runtime_enum_extender PLUGINSERVICE
        /accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE
        /forge-1.16.5-36.2.34.jar capability_inject_definalize PLUGINSERVICE
        /forge-1.16.5-36.2.34.jar runtimedistcleaner PLUGINSERVICE
        /mixin-0.8.4.jar mixin TRANSFORMATIONSERVICE
        /forge-1.16.5-36.2.34.jar fml TRANSFORMATIONSERVICE
    FML: 36.2
    Forge: net.minecraftforge:36.2.34
    FML Language Providers:
        [email protected]
        minecraft@1
    Mod List:
        forge-1.16.5-36.2.34-client.jar                   |Minecraft                     |minecraft                     |1.16.5              |ENQUEUE_IM|Manifest: NOSIGNATURE
        notenoughcrashes-4.1.2+1.16.5-forge.jar           |Not Enough Crashes            |notenoughcrashes              |4.1.2+1.16.5        |ENQUEUE_IM|Manifest: NOSIGNATURE
        forge-1.16.5-36.2.34-universal.jar                |Forge                         |forge                         |36.2.34             |ENQUEUE_IM|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
        konkrete_forge_1.5.3-1_MC_1.16.2-1.16.5.jar       |Konkrete                      |konkrete                      |1.5.3               |ENQUEUE_IM|Manifest: NOSIGNATURE
        journeymap-1.16.5-5.8.5p6.jar                     |Journeymap                    |journeymap                    |5.8.5p6             |ENQUEUE_IM|Manifest: NOSIGNATURE
        Pixelmon-1.16.5-9.1.3-universal.jar               |Pixelmon Mod                  |pixelmon                      |9.1.3               |ENQUEUE_IM|Manifest: NOSIGNATURE
        byg-1.3.5.jar                                     |Oh The Biomes You'll Go       |byg                           |1.3.4               |ENQUEUE_IM|Manifest: NOSIGNATURE
        ExplorersCompass-1.16.5-1.1.2-forge.jar           |Explorer's Compass            |explorerscompass              |1.16.5-1.1.2-forge  |ENQUEUE_IM|Manifest: NOSIGNATURE
        NaturesCompass-1.16.5-1.9.1-forge.jar             |Nature's Compass              |naturescompass                |1.16.5-1.9.1-forge  |ENQUEUE_IM|Manifest: NOSIGNATURE
    Crash Report UUID: d30e44c2-5c6e-44ab-bf15-4ac3a8e08985
    Suspected Mods: None
    Launched Version: 1.16.5-forge-36.2.34
    Backend library: LWJGL version 3.2.2 build 10
    Backend API: Intel(R) Q45/Q43 Express Chipset GL version 2.1.0 - Build 8.15.10.2413, Intel
    GL Caps: Using framebuffer using EXT_framebuffer_object extension
    Using VBOs: Yes
    Is Modded: Definitely; Client brand changed to 'forge'
    Type: Client (map_client.txt)
    Graphics mode: fast
    Resource Packs: vanilla
    Current Language: English (US)
    CPU: 2x Intel(R) Core(TM)2 Duo CPU E8400 @ 3.00GHz
    Client Crashes Since Restart: 1
    Integrated Server Crashes Since Restart: 0

[Hipposgrumm]

1.16.5 is no longer supported on here. Please ask for help where it is available.