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So lately, I've been trying to play Minecraft with mods, but it seems like the game keeps crashing when I attempt to enter the world. Here's my crash report below, but can someone help me with this issue?

---- Minecraft Crash Report ----
// My bad.

Time: 5/23/15 11:43 AM
Description: Exception in server tick loop

java.lang.RuntimeException: Unknown character ' ' in 'C:/Users/Jia/AppData/Roaming/.minecraft/config/CustomSpawner/overworld/Biomes/AM2.cfg:1'
at drzhark.customspawner.configuration.CMSConfiguration.load(CMSConfiguration.java:536)
at drzhark.customspawner.configuration.CMSConfiguration.<init>(CMSConfiguration.java:94)
at drzhark.customspawner.environment.EnvironmentSettings.genModConfiguration(EnvironmentSettings.java:929)
at drzhark.customspawner.environment.EnvironmentSettings.<init>(EnvironmentSettings.java:99)
at drzhark.customspawner.utils.CMSUtils.addWorldEnvironment(CMSUtils.java:106)
at drzhark.customspawner.EventHooks.structureMapGen(EventHooks.java:196)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_23_EventHooks_structureMapGen_InitMapGenEvent.invoke(.dynamic)
at cpw.mods.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:54)
at cpw.mods.fml.common.eventhandler.EventBus.post(EventBus.java:138)
at net.minecraftforge.event.terraingen.TerrainGen.getModdedMapGen(TerrainGen.java:29)
at net.minecraft.world.gen.ChunkProviderGenerate.<init>(ChunkProviderGenerate.java:66)
at net.minecraft.world.WorldType.getChunkGenerator(WorldType.java:149)
at net.minecraft.world.WorldProvider.func_76555_c(WorldProvider.java:66)
at net.minecraft.world.WorldServer.func_72970_h(WorldServer.java:654)
at net.minecraft.world.World.<init>(World.java:245)
at net.minecraft.world.WorldServer.<init>(WorldServer.java:97)
at WorldServerOF.<init>(WorldServerOF.java:69)
at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:65)
at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:153)
at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:387)
at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:685)

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

-- System Details --
Details:
Minecraft Version: 1.7.10
Operating System: Windows 8.1 (amd64) version 6.3
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
Memory: 148337088 bytes (141 MB) / 429445120 bytes (409 MB) up to 1060372480 bytes (1011 MB)
JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
FML: MCP v9.05 FML v7.10.85.1291 Minecraft Forge 10.13.2.1291 Optifine OptiFine_1.7.10_HD_U_B5 18 mods loaded, 18 mods active
mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
FML{7.10.85.1291} [Forge Mod Loader] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Forge{10.13.2.1291} [Minecraft Forge] (forge-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
AM2-Preloader{0.0.2} [AMCore] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
SC0_SpaceCore{0.7.14} [SpaceCore] (1.7.10-SpaceCore-0.7.14.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
SC0_Wings{1.2.6} [Survival Wings] (1.7.10-Survival-Wings-1.2.6.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
AnimationAPI{1.2.4} [AnimationAPI] (AnimationAPI-1.7.10-1.2.4.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
arsmagica2{1.4.0.008} [Ars Magica 2] (1.7.10_AM2-1.4.0.008.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
DamageIndicatorsMod{3.2.3} [Damage Indicators] ([1.7.10]DamageIndicatorsMod-3.2.3.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
craftguide{1.6.8.1} [CraftGuide] (CraftGuide-1.6.8.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
CustomSpawner{3.3.0} [DrZhark's CustomSpawner] (CustomMobSpawner 3.3.0.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MoCreatures{6.3.1} [DrZhark's Mo'Creatures Mod] (DrZharks MoCreatures Mod v6.3.1.zip) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
icecreamcreepers{1.1.0a} [Icecream Sandwich Creeper Mod] (IceCreamSandwichCreeperModv1.1.0a 1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
RadixCore{2.0.1} [RadixCore] (RadixCore-2.0.1-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
MCA{5.0.2} [Minecraft Comes Alive] (MCA-5.0.2-1.7.10-universal.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
cfm{3.4.7} [§9MrCrayfish's Furniture Mod] (MrCrayfishFurnitureModv3.4.7(1.7.10).jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
harvestcraft{1.7.10g} [Pam's HarvestCraft] (Pam's HarvestCraft 1.7.10h.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
TwilightForest{2.3.5} [The Twilight Forest] (twilightforest-1.7.10-2.3.5.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
Profiler Position: N/A (disabled)
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'