Coremods are present crash !HELP!

---- Minecraft Crash Report ----

WARNING: coremods are present:
  llibrary (llibrary-core-1.0.11-1.12.2.jar)
  TransformLoader (DynamicSurroundings-1.12.2-3.6.1.0.jar)
  ForgelinPlugin (Shadowfacts-Forgelin-1.12.2.jar)
  CreativePatchingLoader (CreativeCore_v1.10.10_mc1.12.2.jar)
  MalisisCorePlugin (malisiscore-1.12.2-6.5.1.jar)
  LoadingPlugin (HardcoreDarkness-MC1.12.2-2.0.jar)
  CTMCorePlugin (CTM-MC1.12.2-1.0.2.31.jar)
Contact their authors BEFORE contacting forge

// My bad.

Time: 3/5/21 8:27 PM
Description: Exception in server tick loop

java.util.ConcurrentModificationException
    at java.util.HashMap$HashIterator.nextNode(Unknown Source)
    at java.util.HashMap$KeyIterator.next(Unknown Source)
    at net.minecraft.entity.EntityTracker.func_72788_a(EntityTracker.java:290)
    at net.minecraft.server.MinecraftServer.func_71190_q(MinecraftServer.java:779)
    at net.minecraft.server.MinecraftServer.func_71217_p(MinecraftServer.java:668)
    at net.minecraft.server.integrated.IntegratedServer.func_71217_p(IntegratedServer.java:279)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:526)
    at java.lang.Thread.run(Unknown Source)

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

-- System Details --
Details:
    Minecraft Version: 1.12.2
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_241, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 4584798064 bytes (4372 MB) / 8252293120 bytes (7870 MB) up to 8252293120 bytes (7870 MB)
    JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx8192M -Xms8192M
    IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
    FML: MCP 9.42 Powered by Forge 14.23.5.2847 Optifine OptiFine_1.12.2_HD_U_F5 29 mods loaded, 29 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 | creativecoredummy | 1.0.0                 | minecraft.jar                            | None                                     |
    | LCHIJA | bspkrscore        | 7.6.0.1               | [1.12]bspkrsCore-universal-7.6.0.1.jar   | None                                     |
    | LCHIJA | cfm               | 6.3.0                 | cfm-6.3.0-mc1.12.2.jar                   | None                                     |
    | LCHIJA | ctm               | MC1.12.2-1.0.2.31     | CTM-MC1.12.2-1.0.2.31.jar                | None                                     |
    | LCHIJA | chisel            | MC1.12.2-1.0.2.45     | Chisel-MC1.12.2-1.0.2.45.jar             | None                                     |
    | LCHIJA | opframe           | 1.4.0                 | OnlinePicFrame_v1.4.37_mc1.12.2.jar      | None                                     |
    | LCHIJA | creativecore      | 1.10.0                | CreativeCore_v1.10.10_mc1.12.2.jar       | None                                     |
    | LCHIJA | customnpcs        | 1.12                  | CustomNPCs_1.12.2-(01Oct19).jar          | None                                     |
    | LCHIJA | ptrmodellib       | 1.0.3                 | PTRLib-1.0.3.jar                         | None                                     |
    | LCHIJA | props             | 2.6.3                 | Decocraft-2.6.3_1.12.2.jar               | None                                     |
    | LCHIJA | orelib            | 3.6.0.1               | OreLib-1.12.2-3.6.0.1.jar                | 7a2128d395ad96ceb9d9030fbd41d035b435753a |
    | LCHIJA | dsurround         | 3.6.1.0               | DynamicSurroundings-1.12.2-3.6.1.0.jar   | 7a2128d395ad96ceb9d9030fbd41d035b435753a |
    | LCHIJA | llibrary          | 1.7.20                | llibrary-1.7.20-1.12.2.jar               | b9f30a813bee3b9dd5652c460310cfcd54f6b7ec |
    | LCHIJA | fossil            | 8.0.5                 | fossilsarcheology-8.0.5.jar              | None                                     |
    | LCHIJA | hardcoredarkness  | 2.0                   | HardcoreDarkness-MC1.12.2-2.0.jar        | d72e0dd57935b3e9476212aea0c0df352dd76291 |
    | LCHIJA | ichunutil         | 7.2.2                 | iChunUtil-1.12.2-7.2.2.jar               | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
    | LCHIJA | malisiscore       | 1.12.2-6.5.1-SNAPSHOT | malisiscore-1.12.2-6.5.1.jar             | None                                     |
    | LCHIJA | malisisdoors      | 1.12.2-7.3.0          | malisisdoors-1.12.2-7.3.0.jar            | None                                     |
    | LCHIJA | uteamcore         | 2.2.5.147             | u_team_core-1.12.2-2.2.5.147.jar         | None                                     |
    | LCHIJA | musicplayer       | 2.1.0.85              | music_player-1.12.2-2.1.0.85.jar         | None                                     |
    | LCHIJA | portalgun         | 7.1.0                 | PortalGun-1.12.2-7.1.0.jar               | 4db5c2bd1b556f252a5b8b54b256d381b2a0a6b8 |
    | LCHIJA | forgelin          | 1.8.4                 | Shadowfacts-Forgelin-1.12.2.jar          | None                                     |
    | LCHIJA | simplylight       | 1.12.2-0.8.7          | Simply-Light-Mod-1.12.2.jar              | None                                     |
    | LCHIJA | worldedit         | 6.1.10                | worldedit-forge-mc1.12.2-6.1.10-dist.jar | None                                     |
    | LCHIJA | jurassicraft      | 2.1.23                | JurassiCraft-1.12.2-2.1.23.jar           | None                                     |

    Loaded coremods (and transformers): 
llibrary (llibrary-core-1.0.11-1.12.2.jar)
  net.ilexiconn.llibrary.server.core.plugin.LLibraryTransformer
  net.ilexiconn.llibrary.server.core.patcher.LLibraryRuntimePatcher
TransformLoader (DynamicSurroundings-1.12.2-3.6.1.0.jar)
  
ForgelinPlugin (Shadowfacts-Forgelin-1.12.2.jar)
  
CreativePatchingLoader (CreativeCore_v1.10.10_mc1.12.2.jar)
  
MalisisCorePlugin (malisiscore-1.12.2-6.5.1.jar)
  
LoadingPlugin (HardcoreDarkness-MC1.12.2-2.0.jar)
  lumien.hardcoredarkness.asm.ClassTransformer
CTMCorePlugin (CTM-MC1.12.2-1.0.2.31.jar)
  team.chisel.ctm.client.asm.CTMTransformer
    GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
    Profiler Position: N/A (disabled)
    Player Count: 1 / 8; [EntityPlayerMP['LocaGeno'/239, l='JurassiCraft', x=148.07, y=65.02, z=-318.76]]
    Type: Integrated Server (map_client.txt)
    Is Modded: Definitely; Client brand changed to 'fml,forge'
    OptiFine Version: OptiFine_1.12.2_HD_U_F5
    OptiFine Build: 20191204-141934
    Render Distance Chunks: 18
    Mipmaps: 1
    Anisotropic Filtering: 1
    Antialiasing: 0
    Multitexture: false
    Shaders: null
    OpenGlVersion: 4.6.13596 Compatibility Profile Context 20.10.35.02 27.20.1034.6
    OpenGlRenderer: AMD Radeon R5 Graphics
    OpenGlVendor: ATI Technologies Inc.
    CpuCount: 4

This is the cangelog of the crash. can anyone help me? it crash everytime