Forge 1.20.1 Crash Report [#JkLU6c6]

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---- Minecraft Crash Report ----

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// My bad.

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Time: 2025-04-25 23:43:16

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Description: Exception in server tick loop

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java.util.ConcurrentModificationException: null

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at java.util.ArrayList$Itr.checkForComodification(ArrayList.java:1013) ~[?:?] {}

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at java.util.ArrayList$Itr.next(ArrayList.java:967) ~[?:?] {}

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at com.google.common.collect.Iterators$1.next(Iterators.java:146) ~[guava-31.1-jre.jar%2374!/:?] {}

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at java.util.Iterator.forEachRemaining(Iterator.java:133) ~[?:?] {re:mixin}

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at java.util.Spliterators$IteratorSpliterator.forEachRemaining(Spliterators.java:1845) ~[?:?] {}

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at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?] {}

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at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?] {}

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at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] {}

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at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] {}

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at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] {}

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at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] {}

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at net.minecraft.world.level.entity.PersistentEntitySectionManager.m_157543_(PersistentEntitySectionManager.java:175) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithium.mixins.json:chunk.entity_class_groups.ServerEntityManagerAccessor,pl:mixin:APP:lithium.mixins.json:util.entity_movement_tracking.ServerEntityManagerAccessor,pl:mixin:A}

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at java.util.stream.ForEachOps$ForEachOp$OfRef.accept(ForEachOps.java:183) ~[?:?] {}

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at java.util.stream.ReferencePipeline$2$1.accept(ReferencePipeline.java:179) ~[?:?] {}

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at java.util.stream.LongPipeline$1$1.accept(LongPipeline.java:177) ~[?:?] {}

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at java.util.PrimitiveIterator$OfLong.forEachRemaining(PrimitiveIterator.java:183) ~[?:?] {re:mixin}

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at java.util.Spliterators$LongIteratorSpliterator.forEachRemaining(Spliterators.java:2046) ~[?:?] {}

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at java.util.Spliterator$OfLong.forEachRemaining(Spliterator.java:775) ~[?:?] {}

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at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:509) ~[?:?] {}

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at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:499) ~[?:?] {}

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at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:150) ~[?:?] {}

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at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:173) ~[?:?] {}

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at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) ~[?:?] {}

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at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:596) ~[?:?] {}

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at net.minecraft.world.level.entity.PersistentEntitySectionManager.m_157527_(PersistentEntitySectionManager.java:160) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithium.mixins.json:chunk.entity_class_groups.ServerEntityManagerAccessor,pl:mixin:APP:lithium.mixins.json:util.entity_movement_tracking.ServerEntityManagerAccessor,pl:mixin:A}

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at net.minecraft.world.level.entity.PersistentEntitySectionManager.m_287207_(PersistentEntitySectionManager.java:146) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:lithium.mixins.json:chunk.entity_class_groups.ServerEntityManagerAccessor,pl:mixin:APP:lithium.mixins.json:util.entity_movement_tracking.ServerEntityManagerAccessor,pl:mixin:A}

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at net.minecraft.server.level.ChunkMap.m_287285_(ChunkMap.java:1307) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:bugfix.paper_chunk_patches.ChunkMapMixin,pl:mixin:APP:modernfix-forge.mixins.json:bugfix.chunk_deadlock.ChunkMapLoadMixin,pl:mixin:APP:servercore.common.mixins.json:features.dynamic.ChunkMapMixin,pl:mixin:APP:lithium.mixins.json:world.player_chunk_tick.ThreadedAnvilChunkStorageMixin,pl:mixin:APP:pehkui.mixins.json:compat1201minus.compat116plus.ThreadedAnvilChunkStorageMixin,pl:mixin:APP:emotecraft.mixins.json:ChunkMapAccessor,pl:mixin:APP:securitycraft.mixins.json:camera.ChunkMapMixin,pl:mixin:APP:ars_nouveau.mixins.json:camera.ChunkMapMixin,pl:mixin:A}

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at net.minecraft.server.level.ChunkHolder.m_287189_(ChunkHolder.java:346) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.ticking_chunk_alloc.ChunkHolderMixin,pl:mixin:APP:servercore.common.mixins.json:optimizations.ticking.chunk.broadcast.ChunkHolderMixin,pl:mixin:APP:lithium.mixins.json:world.chunk_access.ChunkHolderMixin,pl:mixin:APP:pehkui.mixins.json:compat1201minus.compat116plus.ChunkHolderAccessor,pl:mixin:A}

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at net.minecraft.server.level.ChunkHolder.m_143003_(ChunkHolder.java:416) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.ticking_chunk_alloc.ChunkHolderMixin,pl:mixin:APP:servercore.common.mixins.json:optimizations.ticking.chunk.broadcast.ChunkHolderMixin,pl:mixin:APP:lithium.mixins.json:world.chunk_access.ChunkHolderMixin,pl:mixin:APP:pehkui.mixins.json:compat1201minus.compat116plus.ChunkHolderAccessor,pl:mixin:A}

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at net.minecraft.server.level.DistanceManager.m_183906_(DistanceManager.java:120) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B}

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at java.lang.Iterable.forEach(Iterable.java:75) ~[?:?] {re:mixin}

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at net.minecraft.server.level.DistanceManager.m_140805_(DistanceManager.java:119) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B}

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at net.minecraft.server.level.ServerChunkCache.m_8489_(ServerChunkCache.java:273) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:cupboard.mixins.json:ChunkLoadDebug,pl:mixin:APP:servercore.common.mixins.json:optimizations.ticking.chunk.broadcast.ServerChunkCacheMixin,pl:mixin:APP:servercore.common.mixins.json:optimizations.ticking.chunk.cache.ServerChunkCacheMixin,pl:mixin:APP:servercore.common.mixins.json:optimizations.ticking.chunk.random.ServerChunkCacheMixin,pl:mixin:APP:lithium.mixins.json:alloc.chunk_ticking.ServerChunkManagerMixin,pl:mixin:APP:lithium.mixins.json:world.chunk_access.ServerChunkManagerMixin,pl:mixin:APP:immersive_melodies.mixin.json:ServerChunkManagerMixin,pl:mixin:APP:pehkui.mixins.json:compat1201minus.compat117plus.ServerChunkManagerMixin,pl:mixin:APP:modernfix-forge.mixins.json:bugfix.chunk_deadlock.ServerChunkCache_CurrentLoadingMixin,pl:mixin:A}

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at net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.m_7245_(ServerChunkCache.java:545) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B}

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at net.minecraft.server.level.ServerChunkCache.m_8466_(ServerChunkCache.java:269) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:cupboard.mixins.json:ChunkLoadDebug,pl:mixin:APP:servercore.common.mixins.json:optimizations.ticking.chunk.broadcast.ServerChunkCacheMixin,pl:mixin:APP:servercore.common.mixins.json:optimizations.ticking.chunk.cache.ServerChunkCacheMixin,pl:mixin:APP:servercore.common.mixins.json:optimizations.ticking.chunk.random.ServerChunkCacheMixin,pl:mixin:APP:lithium.mixins.json:alloc.chunk_ticking.ServerChunkManagerMixin,pl:mixin:APP:lithium.mixins.json:world.chunk_access.ServerChunkManagerMixin,pl:mixin:APP:immersive_melodies.mixin.json:ServerChunkManagerMixin,pl:mixin:APP:pehkui.mixins.json:compat1201minus.compat117plus.ServerChunkManagerMixin,pl:mixin:APP:modernfix-forge.mixins.json:bugfix.chunk_deadlock.ServerChunkCache_CurrentLoadingMixin,pl:mixin:A}

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at net.minecraft.server.MinecraftServer.m_129961_(MinecraftServer.java:758) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A}

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at net.minecraft.server.MinecraftServer.m_7245_(MinecraftServer.java:747) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A}

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at net.minecraft.util.thread.BlockableEventLoop.m_18701_(BlockableEventLoop.java:139) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:computing_frames,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:APP:modernfix-common.mixins.json:perf.fix_loop_spin_waiting.BlockableEventLoopMixin,pl:mixin:A}

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at net.minecraft.server.MinecraftServer.m_130012_(MinecraftServer.java:733) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A}

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at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:665) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A}

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at net.minecraft.server.MinecraftServer.m_206580_(MinecraftServer.java:251) ~[server-1.20.1-20230612.114412-srg.jar%23453!/:?] {re:mixin,pl:accesstransformer:B,re:classloading,pl:accesstransformer:B,pl:mixin:A}

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at java.lang.Thread.run(Thread.java:840) ~[?:?] {re:mixin}

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

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---------------------------------------------------------------------------------------

-- System Details --

Details:

Minecraft Version: 1.20.1

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Minecraft Version ID: 1.20.1

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Operating System: Linux (amd64) version 5.10.0-13-amd64

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Java Version: 17.0.14, Eclipse Adoptium

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Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium

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Memory: 1648187072 bytes (1571 MiB) / 14990442496 bytes (14296 MiB) up to 16777216000 bytes (16000 MiB)

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CPUs: 4

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Processor Vendor: AuthenticAMD

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Processor Name: AMD Ryzen 9 3950X 16-Core Processor

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Identifier: AuthenticAMD Family 23 Model 113 Stepping 0

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Microarchitecture: Zen 2

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Frequency (GHz): -0.00

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Number of physical packages: 1

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Number of physical CPUs: 16

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Number of logical CPUs: 32

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Graphics card #0 name: unknown

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Graphics card #0 vendor: unknown

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Graphics card #0 VRAM (MB): 0.00

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Graphics card #0 deviceId: unknown

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Graphics card #0 versionInfo: unknown

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Virtual memory max (MB): 159693.16

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Virtual memory used (MB): 150206.84

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Swap memory total (MB): 95302.00

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Swap memory used (MB): 43530.07

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JVM Flags: 2 total; -Xms128M -Xmx16000M

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Server Running: true

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Player Count: 8 / 50; [ServerPlayer['strwmila'/1046026, l='ServerLevel[world]', x=-3371.69, y=66.00, z=10245.50], ServerPlayer['TerrorTivian'/1046326, l='ServerLevel[world]', x=-83743.80, y=65.00, z=-7081.49], ServerPlayer['shiniemoon'/1100266, l='ServerLevel[world]', x=-7358.44, y=39.97, z=-1218.43], ServerPlayer['keithybear'/1106871, l='ServerLevel[world]', x=-4726.48, y=78.92, z=-2180.70], ServerPlayer['DaT_smOOl_GrUb'/1108540, l='ServerLevel[world]', x=-83749.12, y=65.75, z=-7079.03], ServerPlayer['CosmoHopper'/1117339, l='ServerLevel[world]', x=-13816.47, y=65.00, z=520.80], ServerPlayer['LittleBoomer666'/1117344, l='ServerLevel[world]', x=-13812.64, y=65.62, z=508.21], ServerPlayer['DaxtonKnighting'/1119059, l='ServerLevel[world]', x=-4854.74, y=68.00, z=-2452.35]]

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Data Packs: vanilla, mod:forge, mod:almanac, mod:supermartijn642configlib (incompatible), mod:playeranimator (incompatible), mod:modernfix (incompatible), mod:yungsapi, mod:fakename (incompatible), mod:balm, mod:jeresources, mod:cloth_config (incompatible), mod:athena, mod:lmft (incompatible), mod:corpse, mod:torchmaster, mod:w2pets (incompatible), mod:ironfurnaces, mod:supermartijn642corelib, mod:moa_decor_toys, mod:fairylights (incompatible), mod:luphieclutteredmod, mod:curios (incompatible), mod:searchables (incompatible), mod:framedblocks, mod:mr_dungeons_andtaverns (incompatible), mod:worldedit (incompatible), mod:chimes, mod:toms_storage (incompatible), mod:moa_decor_art, mod:fastleafdecay, mod:playerrevive, mod:timecontrol, mod:wi_zoom, mod:jei, mod:pehkui (incompatible), mod:caelus (incompatible), mod:naturescompass, mod:epherolib (incompatible), mod:moa_decor_holidays, mod:corpsecurioscompat, mod:fusion, mod:emotecraft (incompatible), mod:dungeons_arise, mod:voicechat (incompatible), mod:terrablender, mod:mousetweaks, mod:necronomicon, mod:commonality, mod:ohthetreesyoullgrow, mod:spectrelib (incompatible), mod:corgilib, mod:fastpaintings (incompatible), mod:flywheel, mod:mantle (incompatible), mod:croptopia (incompatible), mod:polymorph (incompatible), mod:securitycraft, mod:moremobvariants, mod:lootr, mod:connectedglass, mod:aquaculture, mod:immersive_melodies (incompatible), mod:cosmeticarmorreworked, mod:kuma_api, mod:netherportalfix, mod:geckolib, mod:ars_nouveau (incompatible), mod:palladiumcore (incompatible), mod:vc_gliders (incompatible), mod:immersive_aircraft (incompatible), mod:dungeon_crawl_dimensional_patch (incompatible), mod:sophisticatedcore (incompatible), mod:structureessentials (incompatible), mod:citadel (incompatible), mod:alexsmobs (incompatible), mod:mixinextras (incompatible), mod:bookshelf, mod:sophisticatedbackpacks (incompatible), mod:relics, mod:ramcompat, mod:melody (incompatible), mod:konkrete (incompatible), mod:chipped (incompatible), mod:flowerymooblooms (incompatible), mod:farmersdelight, mod:supplementaries, mod:farmers_croptopia, mod:getittogetherdrops, mod:endrem (incompatible), mod:born_in_chaos_v1, mod:lionfishapi (incompatible), mod:moa_decor_cookery, mod:cataclysm (incompatible), mod:camera, mod:simplehats (incompatible), mod:xercapaint, mod:elevatorid, mod:resourcefullib (incompatible), mod:deeperdarker, mod:architectury (incompatible), mod:doapi (incompatible), mod:vinery (incompatible), mod:herbalbrews, mod:ftblibrary (incompatible), mod:nethervinery (incompatible), mod:farm_and_charm (incompatible), mod:candlelight (incompatible), mod:bakery (incompatible), mod:beachparty (incompatible), mod:ftbessentials (incompatible), mod:brewery (incompatible), mod:meadow, mod:aiimprovements, mod:cupboard (incompatible), mod:refurbished_furniture, mod:productivebees, mod:framework, mod:letmedespawn, mod:mr_clover (incompatible), mod:raccompat, mod:trashslot, mod:amendments (incompatible), mod:comicsbubbleschat, mod:sophisticatedstorage (incompatible), mod:octolib, mod:additionallanterns (incompatible), mod:productivelib, mod:biomeswevegone, mod:create, mod:createfood (incompatible), mod:waystones, mod:journeymap (incompatible), mod:comforts (incompatible), mod:artifacts, mod:cpm (incompatible), mod:moa_decor_science, mod:dungeoncrawl, mod:create_confectionery, mod:travelerstitles, mod:toofast (incompatible), mod:friendsandfoes (incompatible), mod:tconstruct (incompatible), mod:alexscaves, mod:moonlight (incompatible), mod:regions_unexplored (incompatible), mod:emotetweaks (incompatible), mod:mixinsquared (incompatible), mod:jade (incompatible), mod:creativecore, mod:yawp, mod:brutalbosses (incompatible), mod:create_sa, mod:ars_elemental (incompatible), mod:irons_spellbooks, mod:inv_view_forge, mod:betterarcheology (incompatible), mod:alexsdelight, mod:ferritecore (incompatible), mod:solcarrot (incompatible), mod:apexcore, mod:fantasyfurniture, mod:rarcompat, mod:expandability (incompatible), Supplementaries Generated Pack, mod:itemblacklist (incompatible), mod:ftbranks, mod:spark (incompatible), mod:moa_decor_garden_, mod:playershops, mod:dcintegration (incompatible), mod:dc_dp, mod:colorfulskies, file/WhenDungeonsArise-LootTweaks-1.21.1-2.1.64.zip (incompatible), file/dc_dp_the_nether.zip, mod:vmod (incompatible), mod:ponder (incompatible), create:dynamic_data, mod:createdeco (incompatible), mod:easy_npc, mod:crafttweaker (incompatible), mod:etched (incompatible), mod:clumps (incompatible), mod:servercore (incompatible), mod:immersive_optimization (incompatible), mod:alltheleaks, mod:connectivity (incompatible), mod:fastasyncworldsave (incompatible), mod:kotlinforforge (incompatible), mod:observable (incompatible), mod:radium, mod:nerb, mod:waterframes, mod:happyghastmod

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Enabled Feature Flags: minecraft:vanilla

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World Generation: Stable

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Is Modded: Definitely; Server brand changed to 'forge'

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Type: Dedicated Server (map_server.txt)

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ModLauncher: 10.0.9+10.0.9+main.dcd20f30

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ModLauncher launch target: forgeserver

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ModLauncher naming: srg

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ModLauncher services:

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mixin-0.8.5.jar mixin PLUGINSERVICE

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eventbus-6.0.5.jar eventbus PLUGINSERVICE

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fmlloader-1.20.1-47.3.0.jar slf4jfixer PLUGINSERVICE

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fmlloader-1.20.1-47.3.0.jar object_holder_definalize PLUGINSERVICE

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fmlloader-1.20.1-47.3.0.jar runtime_enum_extender PLUGINSERVICE

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fmlloader-1.20.1-47.3.0.jar capability_token_subclass PLUGINSERVICE

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accesstransformers-8.0.4.jar accesstransformer PLUGINSERVICE

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fmlloader-1.20.1-47.3.0.jar runtimedistcleaner PLUGINSERVICE

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modlauncher-10.0.9.jar mixin TRANSFORMATIONSERVICE

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modlauncher-10.0.9.jar fml TRANSFORMATIONSERVICE

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FML Language Providers:

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minecraft@1.0

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kotlinforforge@4.11.0

javafml@null

lowcodefml@null

Mod List:

cosmeticarmorreworked-1.20.1-v1a.jar |CosmeticArmorReworked |cosmeticarmorreworked |1.20.1-v1a |DONE |Manifest: ****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****

refurbished_furniture-forge-1.20.1-1.0.12.jar |MrCrayfish's Furniture Mod: Re|refurbished_furniture |1.0.12 |DONE |Manifest: ****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****