I was trying to play with this mod recently but everytime I tried to load into a world the game would freeze upon reaching the "loading world..." text (Saving world instead on 1.17.1) and then it crashes with the exit code: -805306369
if anyone could help me out with this it would be appreciated.

Heres the crash log:

---- Minecraft Crash Report ----
// You're mean.

Time: 4/4/23, 7:06 PM
Description: Exception initializing level

java.lang.IllegalStateException: Unknown biome id emitted by layers: 23
at net.minecraft.world.level.newbiome.layer.Layer.m_76715_(SourceFile:25) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading}
at net.minecraft.world.level.biome.OverworldBiomeSource.m_7158_(OverworldBiomeSource.java:55) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading}
at net.minecraft.world.level.biome.BiomeSource.m_7754_(SourceFile:121) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading}
at net.minecraft.world.level.biome.BiomeSource.m_47909_(SourceFile:85) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading}
at net.minecraft.server.MinecraftServer.m_177896_(MinecraftServer.java:419) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.m_129815_(MinecraftServer.java:371) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.m_130006_(MinecraftServer.java:334) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.client.server.IntegratedServer.m_7038_(IntegratedServer.java:65) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:660) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.m_177918_(MinecraftServer.java:258) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
at java.lang.Thread.run(Thread.java:831) [?:?] {}

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

-- Head --
Thread: Server thread
Stacktrace:
at net.minecraft.world.level.newbiome.layer.Layer.m_76715_(SourceFile:25) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading}
at net.minecraft.world.level.biome.OverworldBiomeSource.m_7158_(OverworldBiomeSource.java:55) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading}
at net.minecraft.world.level.biome.BiomeSource.m_7754_(SourceFile:121) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading}
at net.minecraft.world.level.biome.BiomeSource.m_47909_(SourceFile:85) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading}
at net.minecraft.server.MinecraftServer.m_177896_(MinecraftServer.java:419) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
-- Affected level --
Details:
All players: 0 total; []
Chunk stats: 0
Level dimension: minecraft:overworld
Level spawn location: World: (0,0,0), Section: (at 0,0,0 in 0,0,0; chunk contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
Level time: 0 game time, 0 day time
Level name: mowzies mobs yeye
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
Known server brands: forge
Level was modded: true
Level storage version: 0x04ABD - Anvil
Stacktrace:
at net.minecraft.server.MinecraftServer.m_129815_(MinecraftServer.java:371) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.m_130006_(MinecraftServer.java:334) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.client.server.IntegratedServer.m_7038_(IntegratedServer.java:65) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:660) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.m_177918_(MinecraftServer.java:258) ~[client-1.17.1-20210706.113038-srg.jar%2355!:?] {re:classloading,pl:accesstransformer:B}
at java.lang.Thread.run(Thread.java:831) [?:?] {}

-- System Details --
Details:
Minecraft Version: 1.17.1
Minecraft Version ID: 1.17.1
Operating System: Windows 10 (amd64) version 10.0
Java Version: 16.0.1, Microsoft
Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
Memory: 1021979920 bytes (974 MiB) / 1476395008 bytes (1408 MiB) up to 2147483648 bytes (2048 MiB)
CPUs: 12
Processor Vendor: AuthenticAMD
Processor Name: AMD Ryzen 5 4600H with Radeon Graphics
Identifier: AuthenticAMD Family 23 Model 96 Stepping 1
Microarchitecture: unknown
Frequency (GHz): 2.99
Number of physical packages: 1
Number of physical CPUs: 6
Number of logical CPUs: 12
Graphics card #0 name: AMD Radeon(TM) Graphics
Graphics card #0 vendor: Advanced Micro Devices, Inc. (0x1002)
Graphics card #0 VRAM (MB): 512.00
Graphics card #0 deviceId: 0x1636
Graphics card #0 versionInfo: DriverVersion=27.20.15002.11002
Graphics card #1 name: NVIDIA GeForce GTX 1650
Graphics card #1 vendor: NVIDIA (0x10de)
Graphics card #1 VRAM (MB): 4095.00
Graphics card #1 deviceId: 0x1f99
Graphics card #1 versionInfo: DriverVersion=30.0.15.1278
Memory slot #0 capacity (MB): 4096.00
Memory slot #0 clockSpeed (GHz): 3.20
Memory slot #0 type: DDR4
Memory slot #1 capacity (MB): 4096.00
Memory slot #1 clockSpeed (GHz): 3.20
Memory slot #1 type: DDR4
Virtual memory max (MB): 15267.91
Virtual memory used (MB): 11919.39
Swap memory total (MB): 7726.84
Swap memory used (MB): 863.59
JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
Player Count: 0 / 8; []
Data Packs: vanilla, mod:mowziesmobs (incompatible), mod:forge, mod:geckolib3 (incompatible)
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'forge'
ModLauncher: 9.0.7+91+master.8569cdf
ModLauncher launch target: forgeclient
ModLauncher naming: srg
ModLauncher services:
mixin PLUGINSERVICE
eventbus PLUGINSERVICE
object_holder_definalize PLUGINSERVICE
runtime_enum_extender PLUGINSERVICE
capability_token_subclass PLUGINSERVICE
capability_inject_definalize PLUGINSERVICE

This error is caused by an invalid Biome ID. Mowzie's Mobs does not add any new biomes, so I do not think it is the cause of your error.

What other mods do you have installed?

This error is caused by an invalid Biome ID. Mowzie's Mobs does not add any new biomes, so I do not think it is the cause of your error.

What other mods do you have installed?

i don't have any other mods active except geckolib3.0.15

What about data packs?

Have you modified any config files?

Does this happen in new worlds too?

sorry for late reply.
i never used datapacks along with the mod and never edited the config files.
the games freezes in every single world i play on, including new worlds.

This is very bizarre. I can't reproduce it at all.

The issue goes away when you uninstall mowzies mobs?

No problem. That should always be your first test.

The issue goes away when you uninstall mowzies mobs?

weirdly enough no...
i think this might just be a problem with my forge instead of the mod.
sorry for wasting your time.