The error "java.lang.NoSuchFieldError: children" is occurring every time I try to start minecraft forge 1.16.5 with several mods. Does anyone know how to solve it?

 

---- Minecraft Crash Report ----
// Hey, that tickles! Hehehe!

Time: 19/02/23 19:59
Description: Rendering overlay

java.lang.NoSuchFieldError: children
    at com.bobmowzie.mowziesmobs.client.model.tools.MowzieGeoBuilder.constructBone(MowzieGeoBuilder.java:48) ~[?:1.5.25] {re:classloading}
    at software.bernie.geckolib3.geo.render.GeoBuilder.constructGeoModel(GeoBuilder.java:37) ~[?:3.0.106] {re:classloading}
    at software.bernie.geckolib3.file.GeoModelLoader.loadModel(GeoModelLoader.java:30) ~[?:3.0.106] {re:classloading}
    at software.bernie.geckolib3.resource.GeckoLibCache.lambda$reload$1(GeckoLibCache.java:69) ~[?:3.0.106] {re:classloading}
    at software.bernie.geckolib3.resource.GeckoLibCache$$Lambda$7929/1511887894.apply(Unknown Source) ~[?:?] {}
    at software.bernie.geckolib3.resource.GeckoLibCache.lambda$null$5(GeckoLibCache.java:86) ~[?:3.0.106] {re:classloading}
    at software.bernie.geckolib3.resource.GeckoLibCache$$Lambda$8017/692331818.get(Unknown Source) ~[?:?] {}
    at java.util.concurrent.CompletableFuture$AsyncSupply.run(CompletableFuture.java:1582) ~[?:1.8.0_51] {}
    at java.util.concurrent.CompletableFuture$AsyncSupply.exec(CompletableFuture.java:1574) ~[?:1.8.0_51] {}
    at java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:289) ~[?:1.8.0_51] {}
    at java.util.concurrent.ForkJoinPool$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] {}

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

-- Head --
Thread: Render thread
Stacktrace:
    at net.minecraft.client.renderer.GameRenderer.func_195458_a(GameRenderer.java:807) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
-- Overlay render details --
Details:
    Overlay name: net.minecraft.client.gui.ResourceLoadProgressGui
Stacktrace:
    at net.minecraft.client.renderer.GameRenderer.func_195458_a(GameRenderer.java:807) ~[?:?] {re:classloading,pl:accesstransformer:B,xf:OptiFine:default}
    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:abnormals_core.mixins.json:client.MinecraftMixin,pl:mixin:APP:betterendforge.mixins.json:MinecraftMixin,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:abnormals_core.mixins.json:client.MinecraftMixin,pl:mixin:APP:betterendforge.mixins.json:MinecraftMixin,pl:mixin:A,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:37) [forge-1.16.5-36.2.39.jar:36.2] {}
    at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$477/1446238973.call(Unknown Source) [forge-1.16.5-36.2.39.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:?] {}

-- 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: 944479400 bytes (900 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB)
    CPUs: 16
    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-1.16.5-36.2.39.jar object_holder_definalize PLUGINSERVICE 
        /forge-1.16.5-36.2.39.jar runtime_enum_extender PLUGINSERVICE 
        /accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE 
        /forge-1.16.5-36.2.39.jar capability_inject_definalize PLUGINSERVICE 
        /forge-1.16.5-36.2.39.jar runtimedistcleaner PLUGINSERVICE 
        /mixin-0.8.4.jar mixin TRANSFORMATIONSERVICE 
        /OptiFine_1.16.5_HD_U_G7.jar OptiFine TRANSFORMATIONSERVICE 
        /forge-1.16.5-36.2.39.jar fml TRANSFORMATIONSERVICE 
    FML: 36.2
    Forge: net.minecraftforge:36.2.39
    FML Language Providers: 
        [email protected]
        minecraft@1
        [email protected]
    Mod List: 
        forge-1.16.5-36.2.39-client.jar                   |Minecraft                     |minecraft                     |1.16.5              |SIDED_SETU|Manifest: NOSIGNATURE
        repurposed_structures_forge-3.4.6+1.16.5.jar      |Repurposed Structures         |repurposed_structures         |3.4.6+1.16.5        |SIDED_SETU|Manifest: NOSIGNATURE
        mowziesmobs-1.5.25.jar                            |Mowzie's Mobs                 |mowziesmobs                   |1.5.25              |SIDED_SETU|Manifest: NOSIGNATURE
        BiomesOPlenty-1.16.5-13.1.0.480-universal.jar     |Biomes O' Plenty              |biomesoplenty                 |1.16.5-13.1.0.480   |SIDED_SETU|Manifest: NOSIGNATURE
        abnormals_core-1.16.5-3.3.0.jar                   |Abnormals Core                |abnormals_core                |3.3.0               |SIDED_SETU|Manifest: NOSIGNATURE
        atmospheric-1.16.5-3.1.1.jar                      |Atmospheric                   |atmospheric                   |3.1.1               |SIDED_SETU|Manifest: NOSIGNATURE
        upgrade_aquatic-1.16.5-3.1.2.jar                  |Upgrade Aquatic               |upgrade_aquatic               |3.1.2               |SIDED_SETU|Manifest: NOSIGNATURE
        Curios-API-1.16.5.jar                             |Curios API                    |curios                        |1.16.5-4.0.8.1      |SIDED_SETU|Manifest: NOSIGNATURE
        BetterCaves-Forge-1.16.4-1.1.2.jar                |YUNG's Better Caves           |bettercaves                   |1.16.4-1.1.2        |SIDED_SETU|Manifest: NOSIGNATURE
        betterweather-2.0.1.jar                           |Better Weather                |betterweather                 |2.0.1               |SIDED_SETU|Manifest: NOSIGNATURE
        XaerosWorldMap_1.28.9_Forge_1.16.5.jar            |Xaero's World Map             |xaeroworldmap                 |1.28.9              |SIDED_SETU|Manifest: NOSIGNATURE
        comforts-forge-1.16.5-4.0.1.3.jar                 |Comforts                      |comforts                      |1.16.5-4.0.1.3      |SIDED_SETU|Manifest: NOSIGNATURE
        Citadel-Mod-1.16.5.jar                            |Citadel                       |citadel                       |1.8.1               |SIDED_SETU|Manifest: NOSIGNATURE
        alexsmobs-1.12.1.jar                              |Alex's Mobs                   |alexsmobs                     |1.12.1              |SIDED_SETU|Manifest: NOSIGNATURE
        AutoRegLib-1.16.5.jar                             |AutoRegLib                    |autoreglib                    |1.6-49              |SIDED_SETU|Manifest: NOSIGNATURE
        Artifacts-1.16.5-2.10.4.jar                       |Artifacts                     |artifacts                     |1.16.5-2.10.4       |SIDED_SETU|Manifest: NOSIGNATURE
        YUNGs-API-1.16.5.jar                              |YUNG's API                    |yungsapi                      |1.16.4-Forge-13     |SIDED_SETU|Manifest: NOSIGNATURE
        smallships-1.16.5-1.10.1.jar                      |Small Ships Mod               |smallships                    |1.10.1              |SIDED_SETU|Manifest: NOSIGNATURE
        forge-1.16.5-36.2.39-universal.jar                |Forge                         |forge                         |36.2.39             |SIDED_SETU|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
        Bountiful-1.16.4-3.3.1.jar                        |Bountiful                     |bountiful                     |1.16.4-3.3.1        |SIDED_SETU|Manifest: NOSIGNATURE
        Quark-r2.4-322.jar                                |Quark                         |quark                         |r2.4-322            |SIDED_SETU|Manifest: NOSIGNATURE
        expandability-2.0.1-forge.jar                     |ExpandAbility                 |expandability                 |2.0.1               |SIDED_SETU|Manifest: NOSIGNATURE
        Valhelsia-Core-Forge-1.16.5.jar                   |Valhelsia Core                |valhelsia_core                |16.0.13a            |SIDED_SETU|Manifest: NOSIGNATURE
        valhelsia_structures-1.16.5-0.1.6.jar             |Valhelsia Structures          |valhelsia_structures          |1.16.5-0.1.6        |SIDED_SETU|Manifest: NOSIGNATURE
        twilightforest-1.16.5-4.0.870-universal (1).jar   |The Twilight Forest           |twilightforest                |NONE                |SIDED_SETU|Manifest: NOSIGNATURE
        geckolib-forge-1.16.5-3.0.106.jar                 |GeckoLib                      |geckolib3                     |3.0.106             |SIDED_SETU|Manifest: NOSIGNATURE
        betterendforge-1.16.5-1.6.3.jar                   |BetterEnd Forge               |betterendforge                |1.16.5-1.6.3        |SIDED_SETU|Manifest: NOSIGNATURE
        DynamicSurroundings-1.16.5-4.0.5.0.jar            |§3Dynamic Surroundings        |dsurround                     |4.0.5.0             |SIDED_SETU|Manifest: NOSIGNATURE
    Crash Report UUID: b7c8ac36-b5fd-4a0d-95ff-0c3a753e6f0a
    Launched Version: 1.16.5-forge-36.2.39
    Backend library: LWJGL version 3.2.2 build 10
    Backend API: NVIDIA GeForce GTX 1660/PCIe/SSE2 GL version 4.6.0 NVIDIA 516.94, NVIDIA Corporation
    GL Caps: Using framebuffer using OpenGL 3.0
    Using VBOs: Yes
    Is Modded: Definitely; Client brand changed to 'forge'
    Type: Client (map_client.txt)
    Graphics mode: fancy
    Resource Packs: mod_resources, vanilla
    Current Language: English (US)
    CPU: 16x AMD 4700S 8-Core Processor Desktop Kit
    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: null
    OpenGlVersion: 4.6.0 NVIDIA 516.94
    OpenGlRenderer: NVIDIA GeForce GTX 1660/PCIe/SSE2
    OpenGlVendor: NVIDIA Corporation
    CpuCount: 16

1.16.5 is no longer supported on this forum. We only support 1.18.x and 1.19.x.