Can you help?

---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 11/13/21 7:13 PM
Description: Initializing game

java.lang.NoSuchMethodError: software.bernie.geckolib3.core.controller.AnimationController.addModelFetcher(Ljava/util/function/Function;)V
at net.barribob.boss.render.ModGeoRenderer.(ModGeoRenderer.java:172)
at net.barribob.boss.mob.Entities$clientInit$5.create(Entities.java:178)
at net.fabricmc.fabric.api.client.rendereregistry.v1.EntityRendererRegistry.initialize(EntityRendererRegistry.java:82)
at net.minecraft.class_898.handler$bbf000$onRegisterRenderers(class_898.java:1103)
at net.minecraft.class_898.method_23167(class_898.java:185)
at net.minecraft.class_898.(class_898.java:192)
at net.minecraft.class_310.(class_310.java:527)
at net.minecraft.client.main.Main.main(Main.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:568)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)

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

-- Head --
Thread: Render thread
Stacktrace:
at net.barribob.boss.render.ModGeoRenderer.(ModGeoRenderer.java:172)
at net.barribob.boss.mob.Entities$clientInit$5.create(Entities.java:178)
at net.fabricmc.fabric.api.client.rendereregistry.v1.EntityRendererRegistry.initialize(EntityRendererRegistry.java:82)
at net.minecraft.class_898.handler$bbf000$onRegisterRenderers(class_898.java:1103)
at net.minecraft.class_898.method_23167(class_898.java:185)
at net.minecraft.class_898.(class_898.java:192)
at net.minecraft.class_310.(class_310.java:527)

-- Initialization --
Details:
Stacktrace:
at net.minecraft.client.main.Main.main(Main.java:177)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:497)
at net.fabricmc.loader.impl.game.minecraft.MinecraftGameProvider.launch(MinecraftGameProvider.java:568)
at net.fabricmc.loader.impl.launch.knot.Knot.launch(Knot.java:74)
at net.fabricmc.loader.impl.launch.knot.KnotClient.main(KnotClient.java:23)

-- 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: 747549384 bytes (712 MB) / 1894776832 bytes (1807 MB) up to 3817865216 bytes (3641 MB)
CPUs: 4
JVM Flags: 5 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx4096m -Xms256m -XX:PermSize=256m
Fabric Mods:
added_origins_mod: Added Origins V3.0.0
adventurez: AdventureZ 1.2.6
alaskanativecraft: Alaska Native Craft 1.2.2
angerable-patch: Angerable Patch 1.0.0-1.16.1
aqupdgrizzly: Grizzly Bear mob 1.0.1
architectury: Architectury 1.13.152
autoconfig1u: Auto Config v1 Updated 3.3.1
autosmeltenchant: AutosmeltEnchant 1.1.0
biomemakeover: Biome Makeover 1.16.5-1.3.8
bosses_of_mass_destruction: Bosses of Mass Destruction (Beta) 1.2-1.16.5
cardinal-components: Cardinal Components API 2.8.3
cardinal-components-base: Cardinal Components API (base) 2.8.3
cardinal-components-block: Cardinal Components API (blocks) 2.8.3
cardinal-components-chunk: Cardinal Components API (chunks) 2.8.3
cardinal-components-entity: Cardinal Components API (entities) 2.8.3
cardinal-components-item: Cardinal Components API (items) 2.8.3
cardinal-components-level: Cardinal Components API (world saves) 2.8.3
cardinal-components-scoreboard: Cardinal Components API (scoreboard) 2.8.3
cardinal-components-util: Cardinal Components API (utilities) 2.8.3
cardinal-components-world: Cardinal Components API (worlds) 2.8.3
cloth-basic-math: Cloth Basic Math 0.5.1
cloth-config2: Cloth Config v4 4.11.26
direbats: Direbats 1.1.1+1.16.5-fabric
dungeonsmod: Dungeons Mod Lite 1.16.5-1.0.5
earthtojavamobs: Earth2Java 1.7.1+1.16.4
extraorigins: Extra Origins 1.16.5-11
fabric: Fabric API 0.42.0+1.16
fabric-api-base: Fabric API Base 0.4.0+3cc0f0907d
fabric-api-lookup-api-v1: Fabric API Lookup API (v1) 1.3.1+3cc0f0907d
fabric-biome-api-v1: Fabric Biome API (v1) 3.1.13+3cc0f0907d
fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.6+3cc0f0907d
fabric-command-api-v1: Fabric Command API (v1) 1.1.3+3cc0f0907d
fabric-commands-v0: Fabric Commands (v0) 0.2.3+3cc0f0907d
fabric-containers-v0: Fabric Containers (v0) 0.1.12+3cc0f0907d
fabric-content-registries-v0: Fabric Content Registries (v0) 0.2.5+3cc0f0907d
fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.4+3cc0f0907d
fabric-dimensions-v1: Fabric Dimensions API (v1) 2.0.8+3cc0f0907d
fabric-entity-events-v1: Fabric Entity Events (v1) 1.2.4+3cc0f0907d
fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.5+3cc0f0907d
fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.2+3cc0f0907d
fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.7+3cc0f0907d
fabric-item-api-v1: Fabric Item API (v1) 1.2.2+3cc0f0907d
fabric-item-groups-v0: Fabric Item Groups (v0) 0.3.1+3cc0f0907d
fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.5+3cc0f0907d
fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.2+3cc0f0907d
fabric-language-kotlin: Fabric Language Kotlin 1.5.0+kotlin.1.4.31
fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.2.2+3cc0f0907d
fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.3+3cc0f0907d
fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.4+3cc0f0907d
fabric-models-v0: Fabric Models (v0) 0.3.1+3cc0f0907d
fabric-networking-api-v1: Fabric Networking API (v1) 1.0.5+3cc0f0907d
fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.9+3cc0f0907d
fabric-networking-v0: Fabric Networking (v0) 0.3.3+3cc0f0907d
fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.9.6+3cc0f0907d
fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.3+3cc0f0907d
fabric-particles-v1: Fabric Particles (v1) 0.2.5+3cc0f0907d
fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.7.6+3cc0f0907d
fabric-renderer-api-v1: Fabric Renderer API (v1) 0.4.5+3cc0f0907d
fabric-renderer-indigo: Fabric Renderer - Indigo 0.4.5+3cc0f0907d
fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.3.1+3cc0f0907d
fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.6+3cc0f0907d
fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.15+3cc0f0907d
fabric-rendering-v0: Fabric Rendering (v0) 1.1.3+3cc0f0907d
fabric-rendering-v1: Fabric Rendering (v1) 1.6.1+3cc0f0907d
fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.8+3cc0f0907d
fabric-screen-api-v1: Fabric Screen API (v1) 1.0.1+3cc0f0907d
fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.6+3cc0f0907d
fabric-structure-api-v1: Fabric Structure API (v1) 1.1.12+3cc0f0907d
fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.1.2+3cc0f0907d
fabric-textures-v0: Fabric Textures (v0) 1.0.7+3cc0f0907d
fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.8+3cc0f0907d
fabric-transfer-api-v1: Fabric Transfer API (v1) 1.5.0+3cc0f0907d
fabricloader: Fabric Loader 0.12.5
fallflyinglib: FallFlyingLib 1.1.0
geckolib3: Geckolib 3.0.55
genesis: Genesis v0.4.3 v0.4.3
guardiansgalore: Guardians Galore 1.0-SNAPSHOT
identity: Identity 1.13.3-1.16.5
io_github_onyxstudios_cardinal-components-api: Cardinal-Components-API 2.8.2
jankson: Jankson 3.0.1+j1.2.0
java: Java HotSpot(TM) 64-Bit Server VM 8
kanos_config: Kanos Config 0.1.4+1.14.4-1.17.1
latoorigins: Lato Origins 0.6.2
libgui: LibGui 3.3.5+1.16.5
libstructure: Libstructure 1.3
maelstrom_library: Maelstrom Library 1.2-1.16.5
meumo: Mega Extra Ultimate Mob Origins 1.0.1
minecraft: Minecraft 1.16.5
moborigins: Mob Origins 1.4.0
mobz: MobZ 2.4.6
mostructures: Mo' Structures 1.2.0-1.16.5
multipart_entities: MultipartEntities 1.1.1-SNAPSHOT
omega-config: OmegaConfig 1.0.4
org_jetbrains_kotlin_kotlin-reflect: kotlin-reflect 1.4.31
org_jetbrains_kotlin_kotlin-stdlib: kotlin-stdlib 1.4.31
org_jetbrains_kotlin_kotlin-stdlib-jdk7: kotlin-stdlib-jdk7 1.4.31
org_jetbrains_kotlin_kotlin-stdlib-jdk8: kotlin-stdlib-jdk8 1.4.31
org_jetbrains_kotlinx_kotlinx-coroutines-core-jvm: kotlinx-coroutines-core-jvm 1.4.2
org_jetbrains_kotlinx_kotlinx-coroutines-jdk8: kotlinx-coroutines-jdk8 1.4.2
org_jetbrains_kotlinx_kotlinx-serialization-core-jvm: kotlinx-serialization-core-jvm 1.1.0
org_jetbrains_kotlinx_kotlinx-serialization-json-jvm: kotlinx-serialization-json-jvm 1.1.0
origins: Origins 0.7.3
origins-classes: Origins: Classes 1.1.1
originsplus: Origins Plus 0.0.2
pehkui: Pehkui 2.5.3+1.14.4-1.18
phosphor: Phosphor 0.7.2+build.12
playerabilitylib: Pal 1.2.1
reach-entity-attributes: Reach Entity Attributes 1.1.1
replaymod: Replay Mod 1.16.4-2.6.0
satin: Satin 1.5.1
toomanyorigins: TooManyOrigins 0.1.3
wiicustomorigins: WiiDude's Custom Origins Mod 1.16.5-13
zoob: Monster Of The Ocean Depths 3.0.0
Launched Version: fabric-loader-0.12.5-1.16.5
Backend library: LWJGL version 3.2.2 build 10
Backend API: Intel(R) HD Graphics 4000 GL version 4.0.0 - Build 10.18.10.4252, Intel
GL Caps: Using framebuffer using OpenGL 3.0
Using VBOs: Yes
Is Modded: Definitely; Client brand changed to 'fabric'
Type: Client (map_client.txt)
CPU: 4x Intel(R) Core(TM) i5-3210M CPU @ 2.50GHz

Not a Geckolib issue.