---- Minecraft Crash Report ---- // Don't be sad, have a hug! <3 Time: 21年1月28日 下午12:09 Description: Exception in server tick loop java.util.ConcurrentModificationException at java.util.HashMap$HashIterator.nextNode(HashMap.java:1429) at java.util.HashMap$KeyIterator.next(HashMap.java:1453) at java.lang.Iterable.forEach(Iterable.java:74) at mtr.data.RailwayData.simulateTrains(RailwayData.java:230) at mtr.MTR.lambda$null$0(MTR.java:131) at mtr.MTR$$Lambda$5684/1186044583.accept(Unknown Source) at java.util.LinkedHashMap$LinkedValues.forEach(LinkedHashMap.java:600) at mtr.MTR.lambda$onInitialize$1(MTR.java:128) at mtr.MTR$$Lambda$2335/500145112.onStartTick(Unknown Source) at net.minecraft.server.MinecraftServer.handler$zeh000$onStartTick(MinecraftServer.java:2758) at net.minecraft.server.MinecraftServer.method_3748(MinecraftServer.java:811) at net.minecraft.class_1132.method_3748(class_1132.java:118) at net.minecraft.server.MinecraftServer.method_29741(MinecraftServer.java:670) at net.minecraft.server.MinecraftServer.method_29739(MinecraftServer.java:257) at net.minecraft.server.MinecraftServer$$Lambda$5242/196221877.run(Unknown Source) at java.lang.Thread.run(Thread.java:745) A detailed walkthrough of the error, its code path and all known details is as follows: --------------------------------------------------------------------------------------- -- 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_51, Oracle Corporation Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation Memory: 1156678072 bytes (1103 MB) / 2147483648 bytes (2048 MB) up to 2147483648 bytes (2048 MB) CPUs: 4 JVM Flags: 9 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xss1M -Xmx2G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=32M Fabric Mods: autoconfig1u: Auto Config v1 Updated 3.3.1 cloth-basic-math: Cloth Basic Math 0.5.1 cloth-client-events-v0: Cloth Client Events v0 1.4.5 cloth-config2: Cloth Config v4 4.8.3 crowdin-translate: CrowdinTranslate 1.2 easiercrafting: EasierCrafting 1.16.4-fabric0.25.1-1.6.6 fabric: Fabric API 0.30.0+1.16 fabric-api-base: Fabric API Base 0.2.0+daa38b3d7d fabric-biome-api-v1: Fabric Biome API (v1) 3.1.1+ca58154a7d fabric-blockrenderlayer-v1: Fabric BlockRenderLayer Registration (v1) 1.1.5+ca58154a7d fabric-command-api-v1: Fabric Command API (v1) 1.0.10+ca58154a7d fabric-commands-v0: Fabric Commands (v0) 0.2.2+ca58154a7d fabric-containers-v0: Fabric Containers (v0) 0.1.10+ca58154a7d fabric-content-registries-v0: Fabric Content Registries (v0) 0.2.1+ca58154a7d fabric-crash-report-info-v1: Fabric Crash Report Info (v1) 0.1.3+ca58154a7d fabric-dimensions-v1: fabric-dimensions-v1 2.0.2+ca58154a7d fabric-entity-events-v1: Fabric Entity Events (v1) 1.0.3+ca58154a7d fabric-events-interaction-v0: Fabric Events Interaction (v0) 0.4.2+ca58154a7d fabric-events-lifecycle-v0: Fabric Events Lifecycle (v0) 0.2.1+ca58154a7d fabric-game-rule-api-v1: Fabric Game Rule API (v1) 1.0.6+ca58154a7d fabric-item-api-v1: Fabric Item API (v1) 1.2.1+ca58154a7d fabric-item-groups-v0: Fabric Item Groups (v0) 0.2.3+ca58154a7d fabric-key-binding-api-v1: Fabric Key Binding API (v1) 1.0.2+ca58154a7d fabric-keybindings-v0: Fabric Key Bindings (v0) 0.2.1+ca58154a7d fabric-lifecycle-events-v1: Fabric Lifecycle Events (v1) 1.2.1+ca58154a7d fabric-loot-tables-v1: Fabric Loot Tables (v1) 1.0.2+ca58154a7d fabric-mining-levels-v0: Fabric Mining Levels (v0) 0.1.3+ca58154a7d fabric-models-v0: Fabric Models (v0) 0.2.1+ca58154a7d fabric-networking-api-v1: Fabric Networking API (v1) 1.0.1+ca58154a7d fabric-networking-blockentity-v0: Fabric Networking Block Entity (v0) 0.2.8+ca58154a7d fabric-networking-v0: Fabric Networking (v0) 0.3.2+ca58154a7d fabric-object-builder-api-v1: Fabric Object Builder API (v1) 1.9.3+ca58154a7d fabric-object-builders-v0: Fabric Object Builders (v0) 0.7.2+ca58154a7d fabric-particles-v1: Fabric Particles (v1) 0.2.4+ca58154a7d fabric-registry-sync-v0: Fabric Registry Sync (v0) 0.7.4+ca58154a7d fabric-renderer-api-v1: Fabric Renderer API (v1) 0.4.1+ca58154a7d fabric-renderer-indigo: Fabric Renderer - Indigo 0.4.4+ca58154a7d fabric-renderer-registries-v1: Fabric Renderer Registries (v1) 2.2.1+ca58154a7d fabric-rendering-data-attachment-v1: Fabric Rendering Data Attachment (v1) 0.1.5+ca58154a7d fabric-rendering-fluids-v1: Fabric Rendering Fluids (v1) 0.1.13+ca58154a7d fabric-rendering-v0: Fabric Rendering (v0) 1.1.2+ca58154a7d fabric-rendering-v1: Fabric Rendering (v1) 1.5.1+ca58154a7d fabric-resource-loader-v0: Fabric Resource Loader (v0) 0.4.2+ca58154a7d fabric-screen-api-v1: Fabric Screen API (v1) 1.0.0+c045166c7d fabric-screen-handler-api-v1: Fabric Screen Handler API (v1) 1.1.1+ca58154a7d fabric-structure-api-v1: Fabric Structure API (v1) 1.1.4+ca58154a7d fabric-tag-extensions-v0: Fabric Tag Extensions (v0) 1.1.1+ca58154a7d fabric-textures-v0: Fabric Textures (v0) 1.0.6+ca58154a7d fabric-tool-attribute-api-v1: Fabric Tool Attribute API (v1) 1.2.6+ca58154a7d fabricloader: Fabric Loader 0.11.1 gbfabrictools: GBfabrictools 1.3.2+1.16.4 java: Java HotSpot(TM) 64-Bit Server VM 8 malilib: MaLiLib 0.10.0-dev.21+arne.2 minecraft: Minecraft 1.16.5 minihud: MiniHUD 0.19.0-dev.20201103.184029 mm: Manningham Mills 2.1 modmenu: Mod Menu 1.14.13+build.19 mtr: Minecraft Transit Railway 1.16-3.0.0-beta-3 optifabric: OptiFabric 1.9.2 phosphor: Phosphor 0.7.0+build.10 roughlyenoughitems: Roughly Enough Items 5.8.11 roughlyenoughitems-api: REI (API) 5.8.11 roughlyenoughitems-default-plugin: REI (Default Plugin) 5.8.11 roughlyenoughitems-runtime: REI (Runtime) 5.8.11 worldedit: WorldEdit 7.2.1+299386a Player Count: 1 / 8; [class_3222['BoscoChung'/23, l='ServerLevel[New Worldmtr]', x=-772.04, y=77.00, z=321.00]] Data Packs: vanilla (incompatible), Fabric Mods Type: Integrated Server (map_client.txt) Is Modded: Definitely; Client brand changed to 'fabric' OptiFine Version: OptiFine_1.16.5_HD_U_G6 OptiFine Build: 20210117-013236 Render Distance Chunks: 6 Mipmaps: 4 Anisotropic Filtering: 1 Antialiasing: 0 Multitexture: false Shaders: null OpenGlVersion: 4.6.0 NVIDIA 456.71 OpenGlRenderer: GeForce GT 730/PCIe/SSE2 OpenGlVendor: NVIDIA Corporation CpuCount: 4 -- OptiFabric -- Details: OptiFine jar designed for: 1.16.5 OptiFine jar version: OptiFine_1.16.5_HD_U_G6 OptiFine jar status: Valid OptiFine installer OptiFine remapped jar: C:\Users\Bosco\AppData\Roaming\.minecraft\.optifine\OptiFine_1.16.5_HD_U_G6\Optifine-mapped.jar OptiFabric error: