求解决，以下是崩溃日志，开星图闪退

---- Minecraft Crash Report ----

WARNING: coremods are present:
  MicdoodlePlugin (MicdoodleCore-1.12.2-4.0.2.281.jar)
  GSHooksLoader (GalaxySpace-1.12.2-2.0.14.jar)
Contact their authors BEFORE contacting forge

// You're mean.

Time: 1/17/21 11:09 AM
Description: Rendering screen

java.util.ConcurrentModificationException
        at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
        at java.util.ArrayList$Itr.next(Unknown Source)
        at micdoodle8.mods.galacticraft.core.client.gui.screen.GuiCelestialSelection.drawCircles(GuiCelestialSelection.java:2305)
        at micdoodle8.mods.galacticraft.core.client.gui.screen.GuiCelestialSelection.func_73863_a(GuiCelestialSelection.java:1216)
        at com.mjr.extraplanets.client.gui.screen.CustomCelestialSelection.func_73863_a(CustomCelestialSelection.java:1028)
        at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:396)
        at net.minecraft.client.renderer.EntityRenderer.func_181560_a(EntityRenderer.java:1124)
        at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1119)
        at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:398)
        at net.minecraft.client.main.Main.main(SourceFile:123)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
        at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


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

-- Head --
Thread: Client thread
Stacktrace:
        at java.util.ArrayList$Itr.checkForComodification(Unknown Source)
        at java.util.ArrayList$Itr.next(Unknown Source)
        at micdoodle8.mods.galacticraft.core.client.gui.screen.GuiCelestialSelection.drawCircles(GuiCelestialSelection.java:2305)
        at micdoodle8.mods.galacticraft.core.client.gui.screen.GuiCelestialSelection.func_73863_a(GuiCelestialSelection.java:1216)
        at com.mjr.extraplanets.client.gui.screen.CustomCelestialSelection.func_73863_a(CustomCelestialSelection.java:1028)
        at net.minecraftforge.client.ForgeHooksClient.drawScreen(ForgeHooksClient.java:396)

-- Screen render details --
Details:
        Screen name: com.mjr.extraplanets.client.gui.screen.CustomCelestialSelection
        Mouse location: Scaled: (320, 170). Absolute: (1280, 680)
        Screen size: Scaled: (640, 341). Absolute: (2560, 1361). Scale factor of 4

-- Affected level --
Details:
        Level name: MpServer
        All players: 1 total; [GCEntityClientPlayerMP['55弱旅'/2155, l='MpServer', x=-132.43, y=1203.80, z=263.00]]
        Chunk stats: MultiplayerChunkCache: 169, 169
        Level seed: 0
        Level generator: ID 00 - default, ver 1. Features enabled: false
        Level generator options:
        Level spawn location: World: (-60,64,256), Chunk: (at 4,4,0 in -4,16; contains blocks -64,0,256 to -49,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
        Level time: 3160 game time, 3160 day time
        Level dimension: 0
        Level storage version: 0x00000 - Unknown?
        Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
        Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
        Forced entities: 35 total; [EntityHorse['马'/3846, l='MpServer', x=-209.50, y=75.00, z=220.50], EntitySkeleton['骷髅'/6411, l='MpServer', x=-195.50, y=30.00, z=340.50], EntityWolf['狼'/31, l='MpServer', x=-174.50, y=72.00, z=301.50], EntityWolf['狼'/32, l='MpServer', x=-165.69, y=72.00, z=305.50], EntityWolf['狼'/33, l='MpServer', x=-167.71, y=66.00, z=299.50], EntityWolf['狼'/34, l='MpServer', x=-177.50, y=69.00, z=299.50], EntityHorse['马'/38, l='MpServer', x=-160.63, y=75.00, z=219.96], EntityHorse['马'/39, l='MpServer', x=-161.73, y=74.00, z=221.41], EntityHorse['马'/40, l='MpServer', x=-159.00, y=74.00, z=220.93], EntityHorse['马'/41, l='MpServer', x=-154.10, y=74.00, z=218.88], EntityCreeper['爬行者'/4270, l='MpServer', x=-182.50, y=37.00, z=340.50], EntityHorse['马'/51, l='MpServer', x=-137.92, y=66.00, z=191.99], EntityHorse['马'/52, l='MpServer', x=-144.50, y=67.00, z=187.50], EntityHorse['马'/53, l='MpServer', x=-146.50, y=68.00, z=187.50], EntitySpider['蜘蛛'/11957, l='MpServer', x=-167.50, y=18.00, z=341.50], EntityHorse['马'/54, l='MpServer', x=-138.91, y=64.00, z=185.91], EntityBat['蝙蝠'/10315, l='MpServer', x=-198.50, y=17.10, z=341.50], EntityCreeper['爬行者'/8524, l='MpServer', x=-172.50, y=20.00, z=339.50], EntityCreeper['爬行者'/9548, l='MpServer', x=-179.50, y=35.00, z=342.50], EntityItem['item.tile.hydroponic_farm'/3664, l='MpServer', x=-88.85, y=70.00, z=264.88], EntitySheep['羊'/82, l='MpServer', x=-115.50, y=72.00, z=193.50], EntitySheep['羊'/83, l='MpServer', x=-115.50, y=72.00, z=192.50], EntitySheep['羊'/84, l='MpServer', x=-116.50, y=72.00, z=189.50], EntitySheep['羊'/85, l='MpServer', x=-112.50, y=72.00, z=186.50], EntityHorse['马'/3671, l='MpServer', x=-206.07, y=76.00, z=221.68], EntityHorse['马'/3672, l='MpServer', x=-207.24, y=75.00, z=220.92], EntityHorse['马'/3673, l='MpServer', x=-204.46, y=76.00, z=222.59], EntitySheep['羊'/93, l='MpServer', x=-73.50, y=70.00, z=233.50], EntitySheep['羊'/94, l='MpServer', x=-71.79, y=70.00, z=236.50], EntitySheep['羊'/95, l='MpServer', x=-73.50, y=70.00, z=235.50], EntitySheep['羊'/96, l='MpServer', x=-78.49, y=66.00, z=243.28], GCEntityClientPlayerMP['55弱旅'/2155, l='MpServer', x=-132.43, y=1203.80, z=263.00], EntityBat['蝙蝠'/9449, l='MpServer', x=-170.50, y=19.10, z=340.50], EntitySkeleton['骷髅'/11497, l='MpServer', x=-160.50, y=18.00, z=338.50], EntityCelestialFake[''/14319, l='MpServer', x=-132.50, y=1204.15, z=263.50]]
        Retry entities: 0 total; []
        Server brand: fml,forge
        Server type: Integrated singleplayer server
Stacktrace:
        at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:420)
        at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2741)
        at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:419)
        at net.minecraft.client.main.Main.main(SourceFile:123)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)
        at java.lang.reflect.Method.invoke(Unknown Source)
        at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
        at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

-- System Details --
Details:
        Minecraft Version: 1.12.2
        Operating System: Windows 10 (amd64) version 10.0
        Java Version: 1.8.0_181, Oracle Corporation
        Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
        Memory: 773504528 bytes (737 MB) / 1916796928 bytes (1828 MB) up to 4294967296 bytes (4096 MB)
        JVM Flags: 5 total; -XX:+UseG1GC -XX:-UseAdaptiveSizePolicy -XX:-OmitStackTraceInFastThrow -Xms128M -Xmx4096M
        IntCache: cache: 0, tcache: 71, allocated: 1, tallocated: 10
        FML: MCP 9.42 Powered by Forge 14.23.5.2847 11 mods loaded, 11 mods active
        States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored

        | State  | ID                  | Version      | Source                                    | Signature                                |
        |:------ |:------------------- |:------------ |:----------------------------------------- |:---------------------------------------- |
        | LCHIJA | minecraft           | 1.12.2       | minecraft.jar                             | None                                     |
        | LCHIJA | mcp                 | 9.42         | minecraft.jar                             | None                                     |
        | LCHIJA | FML                 | 8.0.99.99    | forge-1.12.2-14.23.5.2847.jar             | None                                     |
        | LCHIJA | forge               | 14.23.5.2847 | forge-1.12.2-14.23.5.2847.jar             | None                                     |
        | LCHIJA | micdoodlecore       |              | minecraft.jar                             | None                                     |
        | LCHIJA | galacticraftcore    | 4.0.2.281    | GalacticraftCore-1.12.2-4.0.2.281.jar     | None                                     |
        | LCHIJA | galacticraftplanets | 4.0.2.281    | Galacticraft-Planets-1.12.2-4.0.2.281.jar | None                                     |
        | LCHIJA | asmodeuscore        | 0.0.23       | AsmodeusCore-1.12.2-0.0.23.jar            | None                                     |
        | LCHIJA | mjrlegendslib       | 1.12.2-1.2.0 | MJRLegendsLib-1.12.2-1.2.0.jar            | b02331787272ec3515ebe63ecdeea0d746653468 |
        | LCHIJA | extraplanets        | 1.12.2-0.5.8 | ExtraPlanets-1.12.2-0.5.8.jar             | b02331787272ec3515ebe63ecdeea0d746653468 |
        | LCHIJA | galaxyspace         | 2.0.14       | GalaxySpace-1.12.2-2.0.14.jar             | None                                     |

        Loaded coremods (and transformers):
MicdoodlePlugin (MicdoodleCore-1.12.2-4.0.2.281.jar)
  micdoodle8.mods.miccore.MicdoodleTransformer
GSHooksLoader (GalaxySpace-1.12.2-2.0.14.jar)
  galaxyspace.core.hooklib.minecraft.PrimaryClassTransformer
        GL info: ' Vendor: 'NVIDIA Corporation' Version: '4.6.0 NVIDIA 432.00' Renderer: 'GeForce GTX 1060 6GB/PCIe/SSE2'
        Launched Version: 1.12.2-forge1.12.2-14.23.5.2847
        LWJGL: 2.9.4
        OpenGL: GeForce GTX 1060 6GB/PCIe/SSE2 GL version 4.6.0 NVIDIA 432.00, NVIDIA Corporation
        GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

        Using VBOs: Yes
        Is Modded: Definitely; Client brand changed to 'fml,forge'
        Type: Client (map_client.txt)
        Resource Packs:
        Current Language: 简体中文 (中国)
        Profiler Position: N/A (disabled)
        CPU: 12x AMD Ryzen 5 1600X Six-Core Processor

com.mjr.extraplanets.client.gui.screen.CustomCelestialSelection.

看起来像 ExtraPlanets-1.12.2-0.5.8.jar 的界面有bug，建议……检查有无新版本，或者直接去了这个mod