java.lang.RuntimeException: Unknown character

[Digmor2405]

---- Minecraft Crash Report ----

WARNING: coremods are present:
  TLSkinCapeHookLoader (tlskincape_1.12.2-1.4.jar)
Contact their authors BEFORE contacting forge

// Don't do that.

Time: 3/17/20 11:24 AM
Description: Exception in server tick loop

java.lang.RuntimeException: Unknown character ' ' in 'C:/Users/athir/AppData/Roaming/.minecraft/config/CustomSpawner/nether/Biomes/Undefined.cfg:1'
    at drzhark.customspawner.configuration.CMSConfiguration.load(CMSConfiguration.java:444)
    at drzhark.customspawner.configuration.CMSConfiguration.<init>(CMSConfiguration.java:84)
    at drzhark.customspawner.environment.EnvironmentSettings.genModConfiguration(EnvironmentSettings.java:911)
    at drzhark.customspawner.environment.EnvironmentSettings.<init>(EnvironmentSettings.java:102)
    at drzhark.customspawner.utils.CMSUtils.addWorldEnvironment(CMSUtils.java:117)
    at drzhark.customspawner.EventHooks.structureMapGen(EventHooks.java:182)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_25_EventHooks_structureMapGen_InitMapGenEvent.invoke(.dynamic)
    at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:90)
    at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:182)
    at net.minecraftforge.event.terraingen.TerrainGen.getModdedMapGen(TerrainGen.java:48)
    at net.minecraft.world.gen.ChunkGeneratorHell.<init>(ChunkGeneratorHell.java:91)
    at net.minecraft.world.WorldProviderHell.func_186060_c(SourceFile:35)
    at net.minecraft.world.WorldServer.func_72970_h(WorldServer.java:848)
    at net.minecraft.world.WorldServer.<init>(WorldServer.java:118)
    at net.minecraft.world.WorldServerMulti.<init>(WorldServerMulti.java:18)
    at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:140)
    at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:233)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:486)
    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 8.1 (amd64) version 6.3
    Java Version: 1.8.0_45, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 165287128 bytes (157 MB) / 491106304 bytes (468 MB) up to 2012479488 bytes (1919 MB)
    JVM Flags: 3 total; -Xmn128M -Xmx1932M -XX:+UseConcMarkSweepGC
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP 9.42 Powered by Forge 14.23.5.2847 Optifine OptiFine_1.12.2_HD_U_F5 9 mods loaded, 9 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 | customspawner              | 3.11.4       | Custom-Mob-Spawner-Mod-1.12.2.jar | None      |
    | LCHIJA | jei                        | 4.15.0.268   | jei_1.12.2-4.15.0.268.jar         | None      |
    | LCHIJA | lucky                      | 7.6.0        | luckyblock-1.12.2-7.6.0.zip       | None      |
    | LCHIJA | mocreatures                | 12.0.5       | Mo-Creatures-Mod-1.12.2.jar       | None      |
    | LCHIJA | tlauncher_custom_cape_skin | 1.4          | tlskincape_1.12.2-1.4.jar         | None      |

    Loaded coremods (and transformers): 
TLSkinCapeHookLoader (tlskincape_1.12.2-1.4.jar)
  gloomyfolken.hooklib.minecraft.PrimaryClassTransformer
    GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
    Profiler Position: N/A (disabled)
    Player Count: 0 / 8; []
    Type: java.lang.RuntimeException: Unknown characterIntegrated 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: 16
    Mipmaps: 4
    Anisotropic Filtering: 1
    Antialiasing: 0
    Multitexture: false
    Shaders: null
    OpenGlVersion: 4.0.0 - Build 10.18.10.4252
    OpenGlRenderer: Intel(R) HD Graphics 2500
    OpenGlVendor: Intel
    CpuCount: 4

[Ugdhar]

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