cannot play minecraft 1.16.5 forge pixelmon

[jenish basnet]

---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.

Time: 1/26/23 3:03 PM
Description: Unexpected error

java.lang.NegativeArraySizeException: null
    at net.minecraft.crash.CrashReportCategory.func_85070_b(CrashReportCategory.java:132) ~[?:?] {re:classloading}
    at net.minecraft.crash.CrashReport.func_85057_a(CrashReport.java:209) [?:?] {re:classloading}
    at net.minecraft.crash.CrashReport.func_85058_a(CrashReport.java:184) [?:?] {re:classloading}
    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: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-1.16.5-36.2.34.jar:36.2] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$460/1416097444.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:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.Launcher.run(Launcher.java:82) [modlauncher-8.1.3.jar:?] {}
    at cpw.mods.modlauncher.Launcher.main(Launcher.java:66) [modlauncher-8.1.3.jar:?] {}

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 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: 1042869904 bytes (994 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
        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
        Pixelmon-1.16.5-9.1.2-universal.jar               |Pixelmon Mod                  |pixelmon                      |9.1.2               |ENQUEUE_IM|Manifest: NOSIGNATURE
    Crash Report UUID: 1e31a8b9-170e-47e2-8498-5ee5e5283a27
    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: 
    Current Language: English (US)
    CPU: 2x Intel(R) Core(TM)2 Duo CPU E4500 @ 2.20GHz

Edited January 26, 2023 by jenish basnet

[ChampionAsh5357]

The version you are using is no longer supported on this forum.

Please update to a modern version of Minecraft to receive support.

Currently supported versions are 1.19.3 (Latest), 1.19.2, and 1.18.2 (LTS).