Game crashes whenever a helmit crab from Biome Makeover is rendered. Seems like a class file conflict.
Biome Makeover: https://modrinth.com/mod/biome-makeover

---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 2022-11-25 19:09:34
Description: Ticking entity

java.util.NoSuchElementException
at java.util.ArrayList$Itr.next(ArrayList.java:970)
at cyborgcabbage.allarmor.item.ArmorSet.wearingFraction(ArmorSet.java:54)
at net.minecraft.entity.LivingEntity.handler$fhi000$inject(LivingEntity:29777)
at net.minecraft.entity.LivingEntity.tick(LivingEntity)
at net.minecraft.entity.mob.MobEntity.tick(MobEntity:353)
at net.minecraft.server.world.ServerWorld.tickEntity(ServerWorld:712)
at net.minecraft.world.World.tickEntity(World:466)
at net.minecraft.server.world.ServerWorld.method_31420(ServerWorld:371)
at net.minecraft.world.EntityList.forEach(EntityList:54)
at net.minecraft.server.world.ServerWorld.tick(ServerWorld:339)
at net.minecraft.server.MinecraftServer.tickWorlds(MinecraftServer:875)
at net.minecraft.server.MinecraftServer.tick(MinecraftServer:819)
at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer:98)
at net.minecraft.server.MinecraftServer.runServer(MinecraftServer:665)
at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer:257)
at java.lang.Thread.run(Thread.java:833)

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

-- Head --
Thread: Render thread
Stacktrace:
at java.base/java.util.ArrayList$Itr.next(ArrayList.java:970)
at cyborgcabbage.allarmor.item.ArmorSet.wearingFraction(ArmorSet.java:54)
at net.minecraft.class_1309.handler$fhi000$inject(class_1309.java:29777)
at net.minecraft.class_1309.method_5773(class_1309.java)
at net.minecraft.class_1308.method_5773(class_1308.java:353)
at net.minecraft.class_3218.method_18762(class_3218.java:712)
at net.minecraft.class_1937.method_18472(class_1937.java:466)
at net.minecraft.class_3218.method_31420(class_3218.java:371)
at net.minecraft.class_5574.method_31791(class_5574.java:54)
at net.minecraft.class_3218.method_18765(class_3218.java:339)
Mixins in Stacktrace: None found

-- Entity being ticked --
Details:
Entity Type: biomemakeover:helmit_crab (party.lemons.biomemakeover.entity.HelmitCrabEntity)
Entity ID: 883
Entity Name: Helmit Crab
Entity's Exact location: -71.05, 192.00, 46.83
Entity's Block location: World: (-72,192,46), Section: (at 8,0,14 in -5,12,2; chunk contains blocks -80,-64,32 to -65,319,47), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,-64,0 to -1,319,511)
Entity's Momentum: 0.00, 0.00, 0.00
Entity's Passengers: []
Entity's Vehicle: null
Entity NBT: {AABB:[-71.46022253306312d,192.0d,46.416851792917704d,-70.63522254498405d,192.5d,47.241851780996775d],AbsorptionAmount:0.0f,Age:0,Air:300s,ArmorDropChances:[1.0f,0.085f,0.085f,0.085f],ArmorItems:[{},{},{},{}],Attributes:[{Base:16.0d,Modifiers:[{Amount:-0.032630558241401625d,Name:"Random spawn bonus",Operation:1,UUID:[I;-1316304943,-285261568,-1725606843,1210269938]}],Name:"minecraft:generic.follow_range"}],BMLootBlock:0b,BalmData:{},Brain:{memories:{}},CanPickUpLoot:0b,DeathTime:0s,FallDistance:0.0f,FallFlying:0b,Fire:0s,ForcedAge:0,HandDropChances:[0.085f,0.085f],HandItems:[{},{}],Health:10.0f,HideTime:0,HurtByTimestamp:0,HurtTime:0s,InLove:0,Invulnerable:0b,LeftHanded:0b,Motion:[0.0d,0.0d,0.0d],OnGround:0b,PersistenceRequired:0b,PortalCooldown:0,Pos:[-71.04772253902358d,192.0d,46.82935178695724d],Rotation:[0.0f,0.0f],Shell:{Count:1b,id:"minecraft:air"},ShellCooldown:0,UUID:[I;2018587845,-1016510746,-2024684635,-1013012362],bm_IsStunted:0b,cpaCooldown:0,cpadidTP:0b}
Stacktrace:
at net.minecraft.class_1937.method_18472(class_1937.java:466)
at net.minecraft.class_3218.method_31420(class_3218.java:371)
at net.minecraft.class_5574.method_31791(class_5574.java:54)
at net.minecraft.class_3218.method_18765(class_3218.java:339)
at net.minecraft.server.MinecraftServer.method_3813(MinecraftServer.java:875)
at net.minecraft.server.MinecraftServer.method_3748(MinecraftServer.java:819)
at net.minecraft.class_1132.method_3748(class_1132.java:98)
at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:665)
at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:257)
at java.base/java.lang.Thread.run(Thread.java:833)
Mixins in Stacktrace: None found

-- Affected level --
Details:
All players: 1 total; [class_3222['NoClueMC'/53, l='ServerLevel[Crash Check]', x=-71.05, y=192.00, z=46.83]]
Chunk stats: 2077
Level dimension: minecraft:overworld
Level spawn location: World: (0,91,0), Section: (at 0,11,0 in 0,5,0; chunk contains blocks 0,-64,0 to 15,319,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,-64,0 to 511,319,511)
Level time: 668 game time, 668 day time
Level name: Crash Check
Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Level weather: Rain time: 109050 (now: false), thunder time: 109722 (now: false)
Known server brands: quilt
Level was modded: true
Level storage version: 0x04ABD - Anvil
Stacktrace:
at net.minecraft.server.MinecraftServer.method_3813(MinecraftServer.java:875)
at net.minecraft.server.MinecraftServer.method_3748(MinecraftServer.java:819)
at net.minecraft.class_1132.method_3748(class_1132.java:98)
at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:665)
at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:257)
at java.base/java.lang.Thread.run(Thread.java:833)
Mixins in Stacktrace: None found