Heres one of the crash reports :
---- Minecraft Crash Report ----
// Surprise! Haha. Well, this is awkward.
Time: 03/06/21 17:14
Description: Exception ticking world
java.util.ConcurrentModificationException: null
at java.util.HashMap$HashIterator.nextNode(Unknown Source) ~[?:1.8.0_291] {}
at java.util.HashMap$KeyIterator.next(Unknown Source) ~[?:1.8.0_291] {}
at net.minecraft.world.server.ServerWorld.func_184138_a(ServerWorld.java:1017) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:endergetic.mixins.json:ServerWorldMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.World.markAndNotifyBlock(World.java:232) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:sereneseasons.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.World.func_241211_a_(World.java:212) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:sereneseasons.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.World.func_180501_a(World.java:176) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:sereneseasons.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at com.ferreusveritas.dynamictrees.blocks.leaves.DynamicLeavesBlock.age(DynamicLeavesBlock.java:194) ~[dynamictrees:1.16.5-0.10.0-Beta12] {re:classloading}
at com.ferreusveritas.dynamictrees.blocks.leaves.DynamicLeavesBlock.doTick(DynamicLeavesBlock.java:160) ~[dynamictrees:1.16.5-0.10.0-Beta12] {re:classloading}
at com.ferreusveritas.dynamictrees.blocks.leaves.DynamicLeavesBlock.func_225542_b_(DynamicLeavesBlock.java:137) ~[dynamictrees:1.16.5-0.10.0-Beta12] {re:classloading}
at net.minecraft.block.AbstractBlock$AbstractBlockState.func_227034_b_(AbstractBlock.java:624) ~[?:?] {re:mixin,pl:runtimedistcleaner:A,re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_217441_a(ServerWorld.java:508) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:endergetic.mixins.json:ServerWorldMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerChunkProvider.func_241099_a_(ServerChunkProvider.java:362) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at java.util.ArrayList.forEach(Unknown Source) ~[?:1.8.0_291] {}
at net.minecraft.world.server.ServerChunkProvider.func_217220_m(ServerChunkProvider.java:346) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerChunkProvider.func_217207_a(ServerChunkProvider.java:321) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:333) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:endergetic.mixins.json:ServerWorldMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:851) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:291) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:787) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:642) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:232) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at java.lang.Thread.run(Unknown Source) [?:1.8.0_291] {}
A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------
-- Head --
Thread: Server thread
Stacktrace:
at java.util.HashMap$HashIterator.nextNode(Unknown Source) ~[?:1.8.0_291] {}
at java.util.HashMap$KeyIterator.next(Unknown Source) ~[?:1.8.0_291] {}
at net.minecraft.world.server.ServerWorld.func_184138_a(ServerWorld.java:1017) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:endergetic.mixins.json:ServerWorldMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.World.markAndNotifyBlock(World.java:232) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:sereneseasons.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.World.func_241211_a_(World.java:212) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:sereneseasons.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.World.func_180501_a(World.java:176) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:sereneseasons.mixins.json:MixinWorld,pl:mixin:A,pl:runtimedistcleaner:A}
at com.ferreusveritas.dynamictrees.blocks.leaves.DynamicLeavesBlock.age(DynamicLeavesBlock.java:194) ~[dynamictrees:1.16.5-0.10.0-Beta12] {re:classloading}
at com.ferreusveritas.dynamictrees.blocks.leaves.DynamicLeavesBlock.doTick(DynamicLeavesBlock.java:160) ~[dynamictrees:1.16.5-0.10.0-Beta12] {re:classloading}
at com.ferreusveritas.dynamictrees.blocks.leaves.DynamicLeavesBlock.func_225542_b_(DynamicLeavesBlock.java:137) ~[dynamictrees:1.16.5-0.10.0-Beta12] {re:classloading}
at net.minecraft.block.AbstractBlock$AbstractBlockState.func_227034_b_(AbstractBlock.java:624) ~[?:?] {re:mixin,pl:runtimedistcleaner:A,re:classloading,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_217441_a(ServerWorld.java:508) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:endergetic.mixins.json:ServerWorldMixin,pl:mixin:A,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerChunkProvider.func_241099_a_(ServerChunkProvider.java:362) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at java.util.ArrayList.forEach(Unknown Source) ~[?:1.8.0_291] {}
at net.minecraft.world.server.ServerChunkProvider.func_217220_m(ServerChunkProvider.java:346) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerChunkProvider.func_217207_a(ServerChunkProvider.java:321) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.world.server.ServerWorld.func_72835_b(ServerWorld.java:333) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:mixin:APP:abnormals_core.mixins.json:ServerWorldMixin,pl:mixin:APP:endergetic.mixins.json:ServerWorldMixin,pl:mixin:A,pl:runtimedistcleaner:A}
-- Affected level --
Details:
All players: 2 total; [ServerPlayerEntity['JustPokoo'/68, l='ServerLevel[world]', x=-564.50, y=78.00, z=49.22], ServerPlayerEntity['oberonsuccs'/157, l='ServerLevel[world]', x=-601.58, y=88.12, z=108.25]]
Chunk stats: ServerChunkCache: 3921
Level dimension: minecraft:overworld
Level spawn location: World: (48,68,-160), Chunk: (at 0,4,0 in 3,-10; contains blocks 48,0,-160 to 63,255,-145), Region: (0,-1; contains chunks 0,-32 to 31,-1, blocks 0,0,-512 to 511,255,-1)
Level time: 1009068 game time, 1156673 day time
Level name: world
Level game mode: Game mode: survival (ID 0). Hardcore: false. Cheats: false
Level weather: Rain time: 74825 (now: false), thunder time: 22208 (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:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.dedicated.DedicatedServer.func_71190_q(DedicatedServer.java:291) ~[?:?] {re:classloading,pl:accesstransformer:B}
at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:787) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_240802_v_(MinecraftServer.java:642) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at net.minecraft.server.MinecraftServer.func_240783_a_(MinecraftServer.java:232) ~[?:?] {re:mixin,pl:accesstransformer:B,pl:runtimedistcleaner:A,re:classloading,pl:accesstransformer:B,pl:runtimedistcleaner:A}
at java.lang.Thread.run(Unknown Source) [?:1.8.0_291] {}
-- 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_291, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 1416021392 bytes (1350 MB) / 2052063232 bytes (1957 MB) up to 2052063232 bytes (1957 MB)
CPUs: 12
JVM Flags: 2 total; -Xmx2G -Xms2G
ModLauncher: 8.0.9+86+master.3cf110c
ModLauncher launch target: fmlserver
ModLauncher naming: srg
ModLauncher services:
/mixin-0.8.2.jar mixin PLUGINSERVICE
/eventbus-4.0.0.jar eventbus PLUGINSERVICE
/forge.jar object_holder_definalize PLUGINSERVICE
/forge.jar runtime_enum_extender PLUGINSERVICE
/accesstransformers-3.0.1.jar accesstransformer PLUGINSERVICE
/forge.jar capability_inject_definalize PLUGINSERVICE
/forge.jar runtimedistcleaner PLUGINSERVICE
/mixin-0.8.2.jar mixin TRANSFORMATIONSERVICE
/forge.jar fml TRANSFORMATIONSERVICE
FML: 36.1
Forge: net.minecraftforge:36.1.0
FML Language Providers:
[email protected]
minecraft@1
Mod List:
forge-1.16.5-36.1.0-server.jar |Minecraft |minecraft |1.16.5 |DONE |NOSIGNATURE
SereneSeasons-1.16.5-4.0.1.91-universal.jar |Serene Seasons |sereneseasons |1.16.5-4.0.1.91 |DONE |NOSIGNATURE
Desolation+1.1.0-1+1.16.5.jar |Desolation (Forge) |desolation |1.1.0-1 |DONE |NOSIGNATURE
CreativeCore_v2.1.3_mc1.16.5.jar |CreativeCore |creativecore |2.0.0 |DONE |NOSIGNATURE
AI-Improvements-1.16.2-0.3.0.jar |AI-Improvements |aiimprovements |0.3.0 |DONE |NOSIGNATURE
ItemPhysic_v1.4.18_mc1.16.5.jar |ItemPhysic |itemphysic |1.6.0 |DONE |NOSIGNATURE
abnormals_core-1.16.5-3.1.1.jar |Abnormals Core |abnormals_core |3.1.1 |DONE |NOSIGNATURE
endergetic-1.16.4-3.0.0.jar |The Endergetic Expansion |endergetic |3.0.0 |DONE |NOSIGNATURE
shulker_enchantments-1.1.1.jar |Shulker Enchantments |shulker_enchantments |1.1.1 |DONE |NOSIGNATURE
forge-1.16.5-36.1.0-universal.jar |Forge |forge |36.1.0 |DONE |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
DynamicTrees-1.16.5-0.10.0-Beta12.jar |Dynamic Trees |dynamictrees |1.16.5-0.10.0-Beta12|DONE |NOSIGNATURE
gravestone-1.16.5-1.0.4.jar |Gravestone Mod |gravestone |1.16.5-1.0.4 |DONE |NOSIGNATURE
DynamicSurroundings-1.16.4-4.0.4.2.jar |§3Dynamic Surroundings |dsurround |1.16.4-4.0.4.2 |DONE |b4:98:14:b9:76:55:25:4f:e5:5f:4d:71:90:87:43:5b:f9:d5:3a:02:60:42:5e:da:1f:15:9c:ff:be:a9:7c:77
Clumps-6.0.0.24.jar |Clumps |clumps |6.0.0.24 |DONE |NOSIGNATURE
journeymap-1.16.5-5.7.1.jar |Journeymap |journeymap |5.7.1 |DONE |NOSIGNATURE
citadel-1.6.3.jar |Citadel |citadel |1.6.3 |DONE |NOSIGNATURE
alexsmobs-1.10.1.jar |Alex's Mobs |alexsmobs |1.10.1 |DONE |NOSIGNATURE
rats-7.2.0-1.16.5.jar |Rats |rats |7.2.0 |DONE |NOSIGNATURE
ratlantis-1.0.0-1.16.3.jar |Rats: Ratlantis |ratlantis |1.0.0-1.16.3 |DONE |NOSIGNATURE
Crash Report UUID: 03b149b0-f1bc-4705-a4a3-1e7806eb53b2
Player Count: 2 / 20; [ServerPlayerEntity['JustPokoo'/68, l='ServerLevel[world]', x=-564.50, y=78.00, z=49.22], ServerPlayerEntity['oberonsuccs'/157, l='ServerLevel[world]', x=-601.58, y=88.12, z=108.25]]
Data Packs: vanilla, mod:sereneseasons, mod:desolation, mod:creativecore, mod:aiimprovements, mod:itemphysic, mod:abnormals_core, mod:endergetic, mod:shulker_enchantments, mod:forge, mod:dynamictrees, mod:gravestone, mod:dsurround, mod:clumps, mod:journeymap (incompatible), mod:citadel (incompatible), mod:alexsmobs, mod:rats, mod:ratlantis
Is Modded: Definitely; Server brand changed to 'forge'
Type: Dedicated Server (map_server.txt)
How can I fix my server?