---- Minecraft Crash Report ----
// You should try our sister game, Minceraft!

Time: 3/17/22 6:39 PM
Description: Ticking entity

java.lang.BootstrapMethodError: java.lang.LinkageError: loader constraint violation: loader (instance of sun/misc/Launcher$AppClassLoader) previously initiated loading for a different type with name "org/apache/logging/log4j/util/MessageSupplier"
at net.minecraftforge.eventbus.EventBus.handleException(EventBus.java:316) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:307) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:597) ~[forge:?] {re:classloading}
at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:591) ~[forge:?] {re:classloading}
at net.minecraftforge.common.capabilities.CapabilityProvider.doGatherCapabilities(CapabilityProvider.java:83) ~[forge:?] {re:classloading}
at net.minecraftforge.common.capabilities.CapabilityProvider.getCapabilities(CapabilityProvider.java:91) ~[forge:?] {re:classloading}
at net.minecraftforge.common.capabilities.CapabilityProvider.areCapsCompatible(CapabilityProvider.java:103) ~[forge:?] {re:classloading}
at net.minecraft.entity.item.ItemEntity.func_226532_a_(ItemEntity.java:218) ~[?:?] {re:classloading}
at net.minecraft.entity.item.ItemEntity.func_226530_a_(ItemEntity.java:201) ~[?:?] {re:classloading}
at net.minecraft.entity.item.ItemEntity.func_85054_d(ItemEntity.java:183) ~[?:?] {re:classloading}
at net.minecraft.entity.item.ItemEntity.func_70071_h_(ItemEntity.java:137) ~[?:?] {re:classloading}
at net.minecraft.world.server.ServerWorld.func_217479_a(ServerWorld.java:611) ~[?:?] {re:classloading}
at net.minecraft.world.World.func_217390_a(World.java:554) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:404) ~[?:?] {re:classloading}
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:851) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:787) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:78) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:642) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:232) ~[?:?] {re:classloading,pl:accesstransformer:B}
at java.lang.Thread.run(Unknown Source) [?:1.8.0_321] {}
Caused by: java.lang.LinkageError: loader constraint violation: loader (instance of sun/misc/Launcher$AppClassLoader) previously initiated loading for a different type with name "org/apache/logging/log4j/util/MessageSupplier"
at java.lang.ClassLoader.defineClass1(Native Method) ~[?:1.8.0_321] {}
at java.lang.ClassLoader.defineClass(Unknown Source) ~[?:1.8.0_321] {}
at java.security.SecureClassLoader.defineClass(Unknown Source) ~[?:1.8.0_321] {}
at java.net.URLClassLoader.defineClass(Unknown Source) ~[?:1.8.0_321] {}
at java.net.URLClassLoader.access$100(Unknown Source) ~[?:1.8.0_321] {}
at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_321] {}
at java.net.URLClassLoader$1.run(Unknown Source) ~[?:1.8.0_321] {}
at java.security.AccessController.doPrivileged(Native Method) ~[?:1.8.0_321] {}
at java.net.URLClassLoader.findClass(Unknown Source) ~[?:1.8.0_321] {}
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_321] {}
at sun.misc.Launcher$AppClassLoader.loadClass(Unknown Source) ~[?:1.8.0_321] {}
at java.lang.ClassLoader.loadClass(Unknown Source) ~[?:1.8.0_321] {}
... 21 more

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

-- Head --
Thread: Server thread
Stacktrace:
at net.minecraftforge.eventbus.EventBus.handleException(EventBus.java:316) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:307) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.eventbus.EventBus.post(EventBus.java:283) ~[eventbus-4.0.0.jar:?] {}
at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:597) ~[forge:?] {re:classloading}
at net.minecraftforge.event.ForgeEventFactory.gatherCapabilities(ForgeEventFactory.java:591) ~[forge:?] {re:classloading}
at net.minecraftforge.common.capabilities.CapabilityProvider.doGatherCapabilities(CapabilityProvider.java:83) ~[forge:?] {re:classloading}
at net.minecraftforge.common.capabilities.CapabilityProvider.getCapabilities(CapabilityProvider.java:91) ~[forge:?] {re:classloading}
at net.minecraftforge.common.capabilities.CapabilityProvider.areCapsCompatible(CapabilityProvider.java:103) ~[forge:?] {re:classloading}
at net.minecraft.entity.item.ItemEntity.func_226532_a_(ItemEntity.java:218) ~[?:?] {re:classloading}
at net.minecraft.entity.item.ItemEntity.func_226530_a_(ItemEntity.java:201) ~[?:?] {re:classloading}
at net.minecraft.entity.item.ItemEntity.func_85054_d(ItemEntity.java:183) ~[?:?] {re:classloading}
at net.minecraft.entity.item.ItemEntity.func_70071_h_(ItemEntity.java:137) ~[?:?] {re:classloading}
at net.minecraft.world.server.ServerWorld.func_217479_a(ServerWorld.java:611) ~[?:?] {re:classloading}
-- Entity being ticked --
Details:
Entity Type: minecraft:item (net.minecraft.entity.item.ItemEntity)
Entity ID: 212
Entity Name: Rail
Entity's Exact location: -249.13, 32.02, -343.11
Entity's Block location: World: (-250,32,-344), Chunk: (at 6,2,8 in -16,-22; contains blocks -256,0,-352 to -241,255,-337), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Entity's Momentum: 0.00, 0.00, -0.22
Entity's Passengers: []
Entity's Vehicle: ERROR NullPointerException: null
Stacktrace:
at net.minecraft.world.World.func_217390_a(World.java:554) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:404) ~[?:?] {re:classloading}

-- Affected level --
Details:
All players: 0 total; []
Chunk stats: ServerChunkCache: 2025
Level dimension: minecraft:overworld
Level spawn location: World: (-240,75,-256), Chunk: (at 0,4,0 in -15,-16; contains blocks -240,0,-256 to -225,255,-241), Region: (-1,-1; contains chunks -32,-32 to -1,-1, blocks -512,0,-512 to -1,255,-1)
Level time: 29 game time, 29 day time
Level name: souls
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: true
Level weather: Rain time: 179073 (now: false), thunder time: 106209 (now: false)
Known server brands: forge
Level was modded: true
Level storage version: 0x04ABD - Anvil
Stacktrace:
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:851) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:787) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:78) ~[?:?] {re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:642) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:232) ~[?:?] {re:classloading,pl:accesstransformer:B}
at java.lang.Thread.run(Unknown Source) [?:1.8.0_321] {}

-- 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_321, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 5786182376 bytes (5518 MB) / 6375342080 bytes (6080 MB) up to 6375342080 bytes (6080 MB)
CPUs: 4
JVM Flags: 11 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -XX:+IgnoreUnrecognizedVMOptions -Xmn128M -Xmx6052M -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-1.16.5-36.2.29.jar object_holder_definalize PLUGINSERVICE
/forge-1.16.5-36.2.29.jar runtime_enum_extender PLUGINSERVICE
/accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE
/forge-1.16.5-36.2.29.jar capability_inject_definalize PLUGINSERVICE
/forge-1.16.5-36.2.29.jar runtimedistcleaner PLUGINSERVICE
/mixin-0.8.4.jar mixin TRANSFORMATIONSERVICE
/forge-1.16.5-36.2.29.jar fml TRANSFORMATIONSERVICE
FML: 36.2
Forge: net.minecraftforge:36.2.29
FML Language Providers:
[email protected]
minecraft@1
Mod List:
forge-1.16.5-36.2.29-client.jar |Minecraft |minecraft |1.16.5 |DONE |Manifest: NOSIGNATURE
forge-1.16.5-36.2.29-universal.jar |Forge |forge |36.2.29 |DONE |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
tl_skin_cape_forge_1.16.5-1.19.jar |TLSkinCape |tlskincape |1.19 |DONE |Manifest: 19:f5:ce:44:81:0c:e4:22:05:5e:73:c5:a8:cd:de:f3:c8:cf:a9:b3:01:70:40:a0:ee:2d:50:7a:1c:3d:1c:8a
EpicFightMod-1.16.5-3.1.3.jar |Epic Fight Mod |epicfight |1.0 |DONE |Manifest: NOSIGNATURE
Crash Report UUID: cd488499-7055-485d-baba-c4d61e1d600f
Player Count: 0 / 8; []
Data Packs: vanilla, mod:forge, mod:tlskincape (incompatible), mod:epicfight
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'forge'

Could you check if this problem exists at the latest?