---- Minecraft Crash Report ---- // Would you like a cupcake? Time: 2026-08-15 14:01:27 Description: Exception in server tick loop java.util.ConcurrentModificationException: null at java.util.HashMap$HashIterator.nextNode(HashMap.java:1597) ~[?:?] {} at java.util.HashMap$KeyIterator.next(HashMap.java:1620) ~[?:?] {} at java.lang.Iterable.forEach(Iterable.java:74) ~[?:?] {re:mixin} at net.minecraft.server.level.DistanceManager.m_140805_(DistanceManager.java:119) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.level.ServerChunkCache.m_8489_(ServerChunkCache.java:273) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.level.ServerChunkCache$MainThreadExecutor.m_7245_(ServerChunkCache.java:545) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading} at net.minecraft.server.level.ServerChunkCache.m_8466_(ServerChunkCache.java:269) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.m_129961_(MinecraftServer.java:758) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.m_7245_(MinecraftServer.java:747) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B} at net.minecraft.util.thread.BlockableEventLoop.m_18701_(BlockableEventLoop.java:139) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.m_130012_(MinecraftServer.java:733) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.m_130011_(MinecraftServer.java:665) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B} at net.minecraft.server.MinecraftServer.m_206580_(MinecraftServer.java:251) ~[server-1.20.1-20230612.114412-srg.jar%23147!/:?] {re:classloading,pl:accesstransformer:B,re:mixin,pl:accesstransformer:B} at java.lang.Thread.run(Thread.java:840) ~[?:?] {} A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- System Details -- Details: Minecraft Version: 1.20.1 Minecraft Version ID: 1.20.1 Operating System: Linux (amd64) version 6.8.0-124-generic Java Version: 17.0.19, Eclipse Adoptium Java VM Version: OpenJDK 64-Bit Server VM (mixed mode, sharing), Eclipse Adoptium Memory: 670515032 bytes (639 MiB) / 2170552320 bytes (2070 MiB) up to 2170552320 bytes (2070 MiB) CPUs: 2 Processor Vendor: AuthenticAMD Processor Name: AMD EPYC 7402P 24-Core Processor Identifier: AuthenticAMD Family 23 Model 49 Stepping 0 Microarchitecture: Zen 2 Frequency (GHz): -0.00 Number of physical packages: 1 Number of physical CPUs: 24 Number of logical CPUs: 48 Graphics card #0 name: unknown Graphics card #0 vendor: unknown Graphics card #0 VRAM (MB): 0.00 Graphics card #0 deviceId: unknown Graphics card #0 versionInfo: unknown Virtual memory max (MB): 129820.75 Virtual memory used (MB): 190466.63 Swap memory total (MB): 1024.00 Swap memory used (MB): 426.85 JVM Flags: 3 total; -XX:MaxMetaspaceSize=270M -Xmx2070M -Xms1035M Server Running: true Player Count: 4 / 5; [ServerPlayer['sentos2015'/7479, l='ServerLevel[Москва-Сити]', x=1535.13, y=16.51, z=1300.56], ServerPlayer['MaksimBosov'/7489, l='ServerLevel[Москва-Сити]', x=3306.89, y=107.92, z=1504.55], ServerPlayer['pomidorkamc3253'/7501, l='ServerLevel[Москва-Сити]', x=3274.29, y=34.59, z=1663.89], ServerPlayer['pavlusha_s'/9269, l='ServerLevel[Москва-Сити]', x=2633.71, y=7.22, z=1413.60]] Data Packs: vanilla, mod:forge, mod:glitchcore (incompatible), mod:sereneseasons, mod:framework, mod:refurbished_furniture, mod:worldedit (incompatible), mod:geckolib, mod:superbwarfare, mod:curios (incompatible), mod:mtsofficialpack (incompatible), mod:mts (incompatible), mod:farmersdelight, mod:mixinextras (incompatible), mod:brewinandchewin, mod:oamp (incompatible), mod:mcwdoors, mod:mcwwindows, mod:journeymap (incompatible), mod:securitycraft, mod:moonspiremetromotors (incompatible), mod:unuverse (incompatible), mod:kotlinforforge (incompatible), mod:simplebedrockmodel, mod:mcsp, mod:unuparts (incompatible), superbwarfare:resourcepacks/sbw_legacy, mod:unucivil (incompatible) Enabled Feature Flags: minecraft:vanilla World Generation: Stable Is Modded: Definitely; Server brand changed to 'forge' Type: Dedicated Server (map_server.txt) ModLauncher: 10.0.9+10.0.9+main.dcd20f30 ModLauncher launch target: forgeserver ModLauncher naming: srg ModLauncher services: mixin-0.8.5.jar mixin PLUGINSERVICE eventbus-6.0.5.jar eventbus PLUGINSERVICE fmlloader-1.20.1-47.4.10.jar slf4jfixer PLUGINSERVICE fmlloader-1.20.1-47.4.10.jar object_holder_definalize PLUGINSERVICE fmlloader-1.20.1-47.4.10.jar runtime_enum_extender PLUGINSERVICE fmlloader-1.20.1-47.4.10.jar capability_token_subclass PLUGINSERVICE accesstransformers-8.0.4.jar accesstransformer PLUGINSERVICE fmlloader-1.20.1-47.4.10.jar runtimedistcleaner PLUGINSERVICE modlauncher-10.0.9.jar mixin TRANSFORMATIONSERVICE modlauncher-10.0.9.jar fml TRANSFORMATIONSERVICE FML Language Providers: minecraft@1.0 kotlinforforge@4.12.0 javafml@null lowcodefml@null Mod List: server-1.20.1-20230612.114412-srg.jar |Minecraft |minecraft |1.20.1 |DONE |Manifest: NOSIGNATURE FarmersDelight-1.20.1-1.2.11.jar |Farmer's Delight |farmersdelight |1.20.1-1.2.11 |DONE |Manifest: NOSIGNATURE MTS Official Pack-1.20.1-V29.jar |Immersive Vehicles (MTS/IV) - |mtsofficialpack |29 |DONE |Manifest: NOSIGNATURE Moonspire Metropolitan Motors-1.20.1-V3.0.0.jar |Moonspire Metropolitan Motors |moonspiremetromotors |3.0.0 |DONE |Manifest: NOSIGNATURE OAmP-1.20.1-V3.jar |Immersive Vehicles (MTS/IV) - |oamp |3 |DONE |Manifest: NOSIGNATURE geckolib-forge-1.20.1-4.8.3.jar |GeckoLib 4 |geckolib |4.8.3 |DONE |Manifest: NOSIGNATURE UNU Civilian Pack [MTS] 1.20.1-22.18.0-6.7.1.jar |UNU Civilian Vehicles |unucivil |6.7.1 |DONE |Manifest: NOSIGNATURE mcw-mcwwindows-2.4.2-mc1.20.1forge.jar |Macaw's Windows |mcwwindows |2.4.2 |DONE |Manifest: NOSIGNATURE Expanded UNUverse Pack [MTS] 1.20.1-22.18.0-2.1.3.|Expanded UNUverse Pack |unuverse |2.1.3 |DONE |Manifest: NOSIGNATURE kffmod-4.12.0.jar |Kotlin For Forge |kotlinforforge |4.12.0 |DONE |Manifest: NOSIGNATURE BrewinAndChewin-1.20.1-3.2.1.jar |Brewin' And Chewin' |brewinandchewin |1.20.1-3.2.1 |DONE |Manifest: NOSIGNATURE curios-forge-5.14.1+1.20.1.jar |Curios API |curios |5.14.1+1.20.1 |DONE |Manifest: NOSIGNATURE simplebedrockmodel-2.3.3-forge-mc1.20.1.jar |SimpleBedrockModel |simplebedrockmodel |2.3.3-forge-mc1.20.1|DONE |Manifest: NOSIGNATURE journeymap-1.20.1-5.10.3-forge.jar |Journeymap |journeymap |5.10.3 |DONE |Manifest: NOSIGNATURE [1.20.1] SecurityCraft v1.10.1.jar |SecurityCraft |securitycraft |1.10.1 |DONE |Manifest: NOSIGNATURE mixinextras-forge-0.3.6.jar |MixinExtras |mixinextras |0.3.6 |DONE |Manifest: NOSIGNATURE GlitchCore-forge-1.20.1-0.0.1.1.jar |GlitchCore |glitchcore |**.**.**.** |DONE |Manifest: NOSIGNATURE SereneSeasons-forge-1.20.1-9.1.0.2.jar |Serene Seasons |sereneseasons |**.**.**.** |DONE |Manifest: NOSIGNATURE worldedit-mod-7.2.15.jar |WorldEdit |worldedit |7.2.15+6463-5ca4dff |DONE |Manifest: NOSIGNATURE mcw-doors-1.1.5-mc1.20.1forge.jar |Macaw's Doors |mcwdoors |1.1.5 |DONE |Manifest: NOSIGNATURE superbwarfare-0.8.9-final-mc1.20.1-6effe4385-all.j|Superb Warfare |superbwarfare |0.8.9 |DONE |Manifest: NOSIGNATURE MCSP-1.20.1-V1.0.10.jar |MCSP |mcsp |1.0.10 |DONE |Manifest: NOSIGNATURE Immersive Vehicles-1.20.1-23.0.0.jar |Immersive Vehicles (formerly M|mts |23.0.0 |DONE |Manifest: NOSIGNATURE refurbished_furniture-forge-1.20.1-1.0.20.jar |MrCrayfish's Furniture Mod: Re|refurbished_furniture |1.0.20 |DONE |Manifest: ****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:**** UNU Parts Pack [MTS] 1.20.1-22.18.0-6.7.3.jar |UNU Parts Pack |unuparts |6.7.3 |DONE |Manifest: NOSIGNATURE framework-forge-1.20.1-0.8.0.jar |Framework |framework |0.8.0 |DONE |Manifest: ****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:**** forge-1.20.1-47.4.10-universal.jar |Forge |forge |47.4.10 |DONE |Manifest: ****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:****:**** Crash Report UUID: c64ba5ac-0888-4022-b8c6-0d6926ad448b FML: 47.4 Forge: net.minecraftforge:47.4.10