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I'm trying to install Eternal Isles with some other mods, But when I was creating New World it crashed the game.

This is the error report I'm getting:

---- Minecraft Crash Report ----
// Don't be sad, have a hug! <3

Time: 3/24/16 12:32 PM
Description: Exception in server tick loop

java.lang.NullPointerException: Exception in server tick loop
at drzhark.customspawner.environment.EnvironmentSettings.processEntityConfig(EnvironmentSettings.java:494)
at drzhark.customspawner.environment.EnvironmentSettings.initializeEntities(EnvironmentSettings.java:275)
at drzhark.customspawner.registry.StructureRegistry.addStructToConfig(StructureRegistry.java:112)
at drzhark.customspawner.registry.StructureRegistry.registerStructure(StructureRegistry.java:42)
at drzhark.customspawner.EventHooks.structureMapGen(EventHooks.java:197)
at cpw.mods.fml.common.eventhandler.ASMEventHandler_38_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:140)
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 7 (x86) version 6.1
Java Version: 1.8.0_25, Oracle Corporation
Java VM Version: Java HotSpot(TM) Client VM (mixed mode), Oracle Corporation
Memory: 127358896 bytes (121 MB) / 771760128 bytes (736 MB) up to 1037959168 bytes (989 MB)
JVM Flags: 2 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G
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 v7.10.99.99 Minecraft Forge 10.13.4.1566 Optifine OptiFine_1.7.10_HD_U_D3 20 mods loaded, 20 mods active
States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
UCHIJAA mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
UCHIJAA FML{7.10.99.99} [Forge Mod Loader] (forge-1.7.10-10.13.4.1566-1.7.10.jar)
UCHIJAA Forge{10.13.4.1566} [Minecraft Forge] (forge-1.7.10-10.13.4.1566-1.7.10.jar)
UCHIJAA CodeChickenCore{1.0.7.46} [CodeChicken Core] (minecraft.jar)
UCHIJAA NotEnoughItems{1.0.5.118} [Not Enough Items] (NotEnoughItems-1.7.10-1.0.5.118-universal.jar)
UCHIJAA AWWayofTime{v1.3.3} [Blood Magic: Alchemical Wizardry] (Blood-Magic-Mod-1.7.10.jar)
UCHIJAA BuildCraft|Core{7.1.6} [BuildCraft] (BuildCraft-Mod-1.7.10.jar)
UCHIJAA BuildCraft|Builders{7.1.6} [BC Builders] (BuildCraft-Mod-1.7.10.jar)
UCHIJAA BuildCraft|Transport{7.1.6} [BC Transport] (BuildCraft-Mod-1.7.10.jar)
UCHIJAA BuildCraft|Energy{7.1.6} [BC Energy] (BuildCraft-Mod-1.7.10.jar)
UCHIJAA BuildCraft|Silicon{7.1.6} [BC Silicon] (BuildCraft-Mod-1.7.10.jar)
UCHIJAA BuildCraft|Robotics{7.1.6} [BC Robotics] (BuildCraft-Mod-1.7.10.jar)
UCHIJAA BuildCraft|Factory{7.1.6} [BC Factory] (BuildCraft-Mod-1.7.10.jar)
UCHIJAA CustomSpawner{3.3.0} [DrZhark's CustomSpawner] (Custom-Mob-Spawner-Mod-1.7.10.zip)
UCHIJAA DamageIndicatorsMod{3.2.0} [Damage Indicators] (Damage-Indicators-Mod-1.7.10.jar)
UCHIJAA eternisles{1.1.0} [Eternal Isles] (eternisles-1.1(3).jar)
UCHIJAA InfernalMobs{1.6.6} [Infernal Mobs] (Infernal-Mobs-Mod-1.7.10.jar)
UCHIJAA cfm{3.4.7} [§9MrCrayfish's Furniture Mod] (MrCrayfishs-Furniture-Mod-1.7.10.jar)
UCHIJAA XaeroMinimap{1.7.7.3} [Xaero's Minimap] (xaeros_minimap_v1.7.7.3_Forge_1.7.10.jar)
UCHIJAA zeldaswordskills{1.7.10-2.2.6} [Zelda Sword Skills] (Zelda-Sword-Skills-Mod-1.7.10.jar)
GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
Profiler Position: N/A (disabled)
Player Count: 0 / 8; []
Type: Integrated Server (map_client.txt)
Is Modded: Definitely; Client brand changed to 'fml,forge'
OptiFine Version: OptiFine_1.7.10_HD_U_D3
Render Distance Chunks: 4
Mipmaps: 4
Anisotropic Filtering: 1
Antialiasing: 0
Multitexture: false
OpenGlVersion: 4.4.12874 Compatibility Profile Context 14.100.0.0
OpenGlRenderer: AMD Radeon HD 6670
OpenGlVendor: ATI Technologies Inc.
CpuCount: 2

Thanks a lot, man! that worked fine