Whilst fighting Skeletons in an Ominous trial my game crashed. Now I cannot open that world without the game crashing. Here is the crash report.

---- Minecraft Crash Report ----
// Who set us up the TNT?

Time: 2024-05-16 16:35:46
Description: Ticking entity

java.lang.ClassFormatError: Method a in class brs$a has illegal modifiers: 0x8
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
	at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at net.minecraft.world.effect.OozingMobEffect.void onMobRemoved(net.minecraft.world.entity.LivingEntity,int,net.minecraft.world.entity.Entity$RemovalReason)(OozingMobEffect.java:47)
	at net.minecraft.world.effect.MobEffectInstance.void onMobRemoved(net.minecraft.world.entity.LivingEntity,net.minecraft.world.entity.Entity$RemovalReason)(MobEffectInstance.java:252)
	at net.minecraft.world.entity.LivingEntity.void remove(net.minecraft.world.entity.Entity$RemovalReason)(LivingEntity.java:699)
	at net.minecraft.world.entity.LivingEntity.net.minecraft.world.item.ItemStack getItemBySlot(net.minecraft.world.entity.EquipmentSlot)(LivingEntity.java:699)
	at net.minecraft.world.entity.LivingEntity.void setItemSlot(net.minecraft.world.entity.EquipmentSlot,net.minecraft.world.item.ItemStack)(LivingEntity.java:699)
	at net.minecraft.world.entity.LivingEntity.void tickDeath()(LivingEntity.java:570)
	at net.minecraft.world.entity.LivingEntity.void baseTick()(LivingEntity.java:472)
	at net.minecraft.world.entity.Mob.void baseTick()(Mob.java:307)
	at net.minecraft.world.entity.Entity.void tick()(Entity.java:486)
	at net.minecraft.world.entity.LivingEntity.void tick()(LivingEntity.java:2455)
	at net.minecraft.world.entity.Mob.void tick()(Mob.java:377)
	at net.minecraft.world.entity.monster.Skeleton.void tick()(Skeleton.java:74)
	at net.minecraft.server.level.ServerLevel.void tickNonPassenger(net.minecraft.world.entity.Entity)(ServerLevel.java:769)
	at net.minecraft.world.level.Level.void sendBlockUpdated(net.minecraft.core.BlockPos,net.minecraft.world.level.block.state.BlockState,net.minecraft.world.level.block.state.BlockState,int)(Level.java:498)
	at net.minecraft.world.level.Level.void playSeededSound(net.minecraft.world.entity.player.Player,double,double,double,net.minecraft.core.Holder,net.minecraft.sounds.SoundSource,float,float,long)(Level.java:498)
	at net.minecraft.world.level.Level.void playSeededSound(net.minecraft.world.entity.player.Player,net.minecraft.world.entity.Entity,net.minecraft.core.Holder,net.minecraft.sounds.SoundSource,float,float,long)(Level.java:498)
	at net.minecraft.world.level.Level.void guardEntityTick(java.util.function.Consumer,net.minecraft.world.entity.Entity)(Level.java:498)
	at net.minecraft.world.level.Level.net.minecraft.world.entity.Entity getEntity(int)(Level.java:498)
	at net.minecraft.world.level.Level.net.minecraft.world.level.saveddata.maps.MapItemSavedData getMapData(net.minecraft.world.level.saveddata.maps.MapId)(Level.java:498)
	at net.minecraft.world.level.Level.void setMapData(net.minecraft.world.level.saveddata.maps.MapId,net.minecraft.world.level.saveddata.maps.MapItemSavedData)(Level.java:498)
	at net.minecraft.world.level.Level.void destroyBlockProgress(int,net.minecraft.core.BlockPos,int)(Level.java:498)
	at net.minecraft.server.level.ServerLevel.void tick(java.util.function.BooleanSupplier)(ServerLevel.java:407)
	at net.minecraft.server.level.ServerLevel.void lambda$tick$2(net.minecraft.world.TickRateManager,net.minecraft.util.profiling.ProfilerFiller,net.minecraft.world.entity.Entity)(ServerLevel.java:407)
	at net.minecraft.world.level.entity.EntityTickList.void forEach(java.util.function.Consumer)(EntityTickList.java:54)
	at net.minecraft.server.level.ServerLevel.void tick(java.util.function.BooleanSupplier)(ServerLevel.java:371)
	at net.minecraft.server.MinecraftServer.void tickChildren(java.util.function.BooleanSupplier)(MinecraftServer.java:1016)
	at net.minecraft.server.MinecraftServer.void tickServer(java.util.function.BooleanSupplier)(MinecraftServer.java:907)
	at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:907)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:907)
	at net.minecraft.client.server.IntegratedServer.void tickServer(java.util.function.BooleanSupplier)(IntegratedServer.java:113)
	at net.minecraft.server.MinecraftServer.void runServer()(MinecraftServer.java:692)
	at net.minecraft.server.MinecraftServer.net.minecraft.server.MinecraftServer spin(java.util.function.Function)(MinecraftServer.java:276)
	at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:276)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:276)
	at net.minecraft.server.MinecraftServer.void lambda$spin$2(java.util.concurrent.atomic.AtomicReference)(MinecraftServer.java:276)
	at java.base/java.lang.Thread.run(Thread.java:1583)


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

-- Head --
Thread: Server thread
Stacktrace:
	at java.base/java.lang.ClassLoader.defineClass1(Native Method)
	at java.base/java.lang.ClassLoader.defineClass(ClassLoader.java:1027)
	at java.base/java.security.SecureClassLoader.defineClass(SecureClassLoader.java:150)
	at java.base/jdk.internal.loader.BuiltinClassLoader.defineClass(BuiltinClassLoader.java:862)
	at java.base/jdk.internal.loader.BuiltinClassLoader.findClassOnClassPathOrNull(BuiltinClassLoader.java:760)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClassOrNull(BuiltinClassLoader.java:681)
	at java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:639)
	at java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:188)
	at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:526)
	at net.minecraft.world.effect.OozingMobEffect.void onMobRemoved(net.minecraft.world.entity.LivingEntity,int,net.minecraft.world.entity.Entity$RemovalReason)(OozingMobEffect.java:47)
	at net.minecraft.world.effect.MobEffectInstance.void onMobRemoved(net.minecraft.world.entity.LivingEntity,net.minecraft.world.entity.Entity$RemovalReason)(MobEffectInstance.java:252)
	at net.minecraft.world.entity.LivingEntity.void remove(net.minecraft.world.entity.Entity$RemovalReason)(LivingEntity.java:699)
	at net.minecraft.world.entity.LivingEntity.net.minecraft.world.item.ItemStack getItemBySlot(net.minecraft.world.entity.EquipmentSlot)(LivingEntity.java:699)
	at net.minecraft.world.entity.LivingEntity.void setItemSlot(net.minecraft.world.entity.EquipmentSlot,net.minecraft.world.item.ItemStack)(LivingEntity.java:699)
	at net.minecraft.world.entity.LivingEntity.void tickDeath()(LivingEntity.java:570)
	at net.minecraft.world.entity.LivingEntity.void baseTick()(LivingEntity.java:472)
	at net.minecraft.world.entity.Mob.void baseTick()(Mob.java:307)
	at net.minecraft.world.entity.Entity.void tick()(Entity.java:486)
	at net.minecraft.world.entity.LivingEntity.void tick()(LivingEntity.java:2455)
	at net.minecraft.world.entity.Mob.void tick()(Mob.java:377)
	at net.minecraft.world.entity.monster.Skeleton.void tick()(Skeleton.java:74)
	at net.minecraft.server.level.ServerLevel.void tickNonPassenger(net.minecraft.world.entity.Entity)(ServerLevel.java:769)
	at net.minecraft.world.level.Level.void sendBlockUpdated(net.minecraft.core.BlockPos,net.minecraft.world.level.block.state.BlockState,net.minecraft.world.level.block.state.BlockState,int)(Level.java:498)
	at net.minecraft.world.level.Level.void playSeededSound(net.minecraft.world.entity.player.Player,double,double,double,net.minecraft.core.Holder,net.minecraft.sounds.SoundSource,float,float,long)(Level.java:498)
	at net.minecraft.world.level.Level.void playSeededSound(net.minecraft.world.entity.player.Player,net.minecraft.world.entity.Entity,net.minecraft.core.Holder,net.minecraft.sounds.SoundSource,float,float,long)(Level.java:498)
	at net.minecraft.world.level.Level.void guardEntityTick(java.util.function.Consumer,net.minecraft.world.entity.Entity)(Level.java:498)
	at net.minecraft.world.level.Level.net.minecraft.world.entity.Entity getEntity(int)(Level.java:498)
	at net.minecraft.world.level.Level.net.minecraft.world.level.saveddata.maps.MapItemSavedData getMapData(net.minecraft.world.level.saveddata.maps.MapId)(Level.java:498)
	at net.minecraft.world.level.Level.void setMapData(net.minecraft.world.level.saveddata.maps.MapId,net.minecraft.world.level.saveddata.maps.MapItemSavedData)(Level.java:498)
	at net.minecraft.world.level.Level.void destroyBlockProgress(int,net.minecraft.core.BlockPos,int)(Level.java:498)
	at net.minecraft.server.level.ServerLevel.void tick(java.util.function.BooleanSupplier)(ServerLevel.java:407)
	at net.minecraft.server.level.ServerLevel.void lambda$tick$2(net.minecraft.world.TickRateManager,net.minecraft.util.profiling.ProfilerFiller,net.minecraft.world.entity.Entity)(ServerLevel.java:407)
	at net.minecraft.world.level.entity.EntityTickList.void forEach(java.util.function.Consumer)(EntityTickList.java:54)

-- Entity being ticked --
Details:
	Entity Type: minecraft:skeleton (cjz)
	Entity ID: 100898
	Entity Name: Skeleton
	Entity's Exact location: 297.52, -30.00, -535.70
	Entity's Block location: World: (297,-30,-536), Section: (at 9,2,8 in 18,-2,-34; chunk contains blocks 288,-64,-544 to 303,319,-529), Region: (0,-2; contains chunks 0,-64 to 31,-33, blocks 0,-64,-1024 to 511,319,-513)
	Entity's Momentum: 0.00, -0.08, 0.00
	Entity's Passengers: []
	Entity's Vehicle: null
Stacktrace:
	at net.minecraft.world.level.Level.void sendBlockUpdated(net.minecraft.core.BlockPos,net.minecraft.world.level.block.state.BlockState,net.minecraft.world.level.block.state.BlockState,int)(Level.java:498)
	at net.minecraft.world.level.Level.void playSeededSound(net.minecraft.world.entity.player.Player,double,double,double,net.minecraft.core.Holder,net.minecraft.sounds.SoundSource,float,float,long)(Level.java:498)
	at net.minecraft.world.level.Level.void playSeededSound(net.minecraft.world.entity.player.Player,net.minecraft.world.entity.Entity,net.minecraft.core.Holder,net.minecraft.sounds.SoundSource,float,float,long)(Level.java:498)
	at net.minecraft.world.level.Level.void guardEntityTick(java.util.function.Consumer,net.minecraft.world.entity.Entity)(Level.java:498)
	at net.minecraft.world.level.Level.net.minecraft.world.entity.Entity getEntity(int)(Level.java:498)
	at net.minecraft.world.level.Level.net.minecraft.world.level.saveddata.maps.MapItemSavedData getMapData(net.minecraft.world.level.saveddata.maps.MapId)(Level.java:498)
	at net.minecraft.world.level.Level.void setMapData(net.minecraft.world.level.saveddata.maps.MapId,net.minecraft.world.level.saveddata.maps.MapItemSavedData)(Level.java:498)
	at net.minecraft.world.level.Level.void destroyBlockProgress(int,net.minecraft.core.BlockPos,int)(Level.java:498)
	at net.minecraft.server.level.ServerLevel.void tick(java.util.function.BooleanSupplier)(ServerLevel.java:407)
	at net.minecraft.server.level.ServerLevel.void lambda$tick$2(net.minecraft.world.TickRateManager,net.minecraft.util.profiling.ProfilerFiller,net.minecraft.world.entity.Entity)(ServerLevel.java:407)
	at net.minecraft.world.level.entity.EntityTickList.void forEach(java.util.function.Consumer)(EntityTickList.java:54)
	at net.minecraft.server.level.ServerLevel.void tick(java.util.function.BooleanSupplier)(ServerLevel.java:371)
	at net.minecraft.server.MinecraftServer.void tickChildren(java.util.function.BooleanSupplier)(MinecraftServer.java:1016)
	at net.minecraft.server.MinecraftServer.void tickServer(java.util.function.BooleanSupplier)(MinecraftServer.java:907)
	at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:907)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:907)
	at net.minecraft.client.server.IntegratedServer.void tickServer(java.util.function.BooleanSupplier)(IntegratedServer.java:113)
	at net.minecraft.server.MinecraftServer.void runServer()(MinecraftServer.java:692)
	at net.minecraft.server.MinecraftServer.net.minecraft.server.MinecraftServer spin(java.util.function.Function)(MinecraftServer.java:276)
	at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:276)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:276)
	at net.minecraft.server.MinecraftServer.void lambda$spin$2(java.util.concurrent.atomic.AtomicReference)(MinecraftServer.java:276)
	at java.base/java.lang.Thread.run(Thread.java:1583)

-- Affected level --
Details:
	All players: 1 total; [aqn['RaiJolt2'/23555, l='ServerLevel[The pretty 1.21 world]', x=297.64, y=-30.00, z=-535.74]]
	Chunk stats: 3674
	Level dimension: minecraft:overworld
	Level spawn location: World: (0,98,0), Section: (at 0,2,0 in 0,6,0; 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: 1362329 game time, 1856960 day time
	Level name: The pretty 1.21 world
	Level game mode: Game mode: survival (ID 0). Hardcore: false. Commands: true
	Level weather: Rain time: 164606 (now: false), thunder time: 109032 (now: false)
	Known server brands: vanilla
	Removed feature flags: 
	Level was modded: false
	Level storage version: 0x04ABD - Anvil
	Loaded entity count: 378
Stacktrace:
	at net.minecraft.server.level.ServerLevel.net.minecraft.CrashReportCategory fillReportDetails(net.minecraft.CrashReport)(ServerLevel.java:1703)
	at net.minecraft.server.MinecraftServer.void tickChildren(java.util.function.BooleanSupplier)(MinecraftServer.java:1019)
	at net.minecraft.server.MinecraftServer.void tickServer(java.util.function.BooleanSupplier)(MinecraftServer.java:907)
	at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:907)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:907)
	at net.minecraft.client.server.IntegratedServer.void tickServer(java.util.function.BooleanSupplier)(IntegratedServer.java:113)
	at net.minecraft.server.MinecraftServer.void runServer()(MinecraftServer.java:692)
	at net.minecraft.server.MinecraftServer.net.minecraft.server.MinecraftServer spin(java.util.function.Function)(MinecraftServer.java:276)
	at net.minecraft.server.MinecraftServer.net.minecraft.SystemReport fillServerSystemReport(net.minecraft.SystemReport)(MinecraftServer.java:276)
	at net.minecraft.server.MinecraftServer.boolean isSingleplayerOwner(com.mojang.authlib.GameProfile)(MinecraftServer.java:276)
	at net.minecraft.server.MinecraftServer.void lambda$spin$2(java.util.concurrent.atomic.AtomicReference)(MinecraftServer.java:276)
	at java.base/java.lang.Thread.run(Thread.java:1583)

-- System Details --
Details:
	Minecraft Version: 24w20a
	Minecraft Version ID: 24w20a
	Operating System: Windows 11 (amd64) version 10.0
	Java Version: 21.0.3, Microsoft
	Java VM Version: OpenJDK 64-Bit Server VM (mixed mode), Microsoft
	Memory: 2065189216 bytes (1969 MiB) / 3154116608 bytes (3008 MiB) up to 8589934592 bytes (8192 MiB)
	CPUs: 16
	Processor Vendor: GenuineIntel
	Processor Name: 12th Gen Intel(R) Core(TM) i7-1260P
	Identifier: Intel64 Family 6 Model 154 Stepping 3
	Microarchitecture: Alder Lake
	Frequency (GHz): 2.50
	Number of physical packages: 1
	Number of physical CPUs: 12
	Number of logical CPUs: 16
	Graphics card #0 name: Intel(R) Iris(R) Xe Graphics
	Graphics card #0 vendor: Intel Corporation
	Graphics card #0 VRAM (MiB): 1024.00
	Graphics card #0 deviceId: VideoController1
	Graphics card #0 versionInfo: 31.0.101.4575
	Graphics card #1 name: NVIDIA GeForce MX550
	Graphics card #1 vendor: NVIDIA
	Graphics card #1 VRAM (MiB): 2048.00
	Graphics card #1 deviceId: VideoController2
	Graphics card #1 versionInfo: 31.0.15.4609
	Memory slot #0 capacity (MiB): 8192.00
	Memory slot #0 clockSpeed (GHz): 3.20
	Memory slot #0 type: DDR4
	Memory slot #1 capacity (MiB): 8192.00
	Memory slot #1 clockSpeed (GHz): 3.20
	Memory slot #1 type: DDR4
	Virtual memory max (MiB): 21222.04
	Virtual memory used (MiB): 18568.78
	Swap memory total (MiB): 5153.30
	Swap memory used (MiB): 180.35
	Space in storage for jna.tmpdir (MiB): available: 32046.21, total: 468455.00
	Space in storage for org.lwjgl.system.SharedLibraryExtractPath (MiB): available: 32046.21, total: 468455.00
	Space in storage for io.netty.native.workdir (MiB): available: 32046.21, total: 468455.00
	Space in storage for java.io.tmpdir (MiB): available: 32046.21, total: 468455.00
	Space in storage for workdir (MiB): available: 32046.21, total: 468455.00
	JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx8G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M
	Server Running: true
	Player Count: 1 / 8; [aqn['RaiJolt2'/23555, l='ServerLevel[The pretty 1.21 world]', x=297.64, y=-30.00, z=-535.74]]
	Active Data Packs: vanilla
	Available Data Packs: bundle, trade_rebalance, vanilla
	Enabled Feature Flags: minecraft:vanilla
	World Generation: Stable
	World Seed: 215953578316910989
	Type: Integrated Server (map_client.txt)
	Is Modded: Probably not. Client jar signature and brand is untouched; Server jar signature and brand is untouched
	Launched Version: 24w20a