Funwayguy/EnviroMine/issues/57/1

---- Minecraft Crash Report ----
// Ouch. That hurt :(

Time: 9/16/14 2:11 PM
Description: Exception in server tick loop

java.util.ConcurrentModificationException
    at java.util.HashMap$HashIterator.nextEntry(Unknown Source)
    at java.util.HashMap$ValueIterator.next(Unknown Source)
    at net.minecraft.world.gen.structure.MapGenStructure.func_75051_a(MapGenStructure.java:89)
    at net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:382)
    at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:279)
    at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1045)
    at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:190)
    at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:131)
    at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:101)
    at net.minecraft.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:199)
    at net.minecraft.world.World.func_72964_e(World.java:416)
    at net.minecraft.world.World.func_72938_d(World.java:411)
    at enviromine.EM_VillageMineshaft.customGetBlockAtCurrentPosition(EM_VillageMineshaft.java:441)
    at enviromine.EM_VillageMineshaft.genSegmentsAtCurrentHeight(EM_VillageMineshaft.java:272)
    at enviromine.EM_VillageMineshaft.func_74875_a(EM_VillageMineshaft.java:108)
    at net.minecraft.world.gen.structure.StructureStart.func_75068_a(StructureStart.java:44)
    at net.minecraft.world.gen.structure.MapGenStructure.func_75051_a(MapGenStructure.java:93)
    at net.minecraft.world.gen.ChunkProviderGenerate.func_73153_a(ChunkProviderGenerate.java:382)
    at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:279)
    at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1055)
    at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:190)
    at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:131)
    at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:101)
    at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:265)
    at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:78)
    at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:92)
    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 (amd64) version 6.1
    Java Version: 1.7.0_67, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 356456232 bytes (339 MB) / 898629632 bytes (857 MB) up to 2796552192 bytes (2667 MB)
    JVM Flags: 3 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3000M -XX:MaxPermSize=256m
    AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
    IntCache: cache: 0, tcache: 0, allocated: 12, tallocated: 94
    FML: MCP v9.05 FML v7.10.25.1208 Minecraft Forge 10.13.0.1208 5 mods loaded, 5 mods active
    mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
    FML{7.10.25.1208} [Forge Mod Loader] (forge-1.7.10-10.13.0.1208.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
    Forge{10.13.0.1208} [Minecraft Forge] (forge-1.7.10-10.13.0.1208.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
    enviromine{1.2.26} [EnviroMine] (EnviroMine-v1.2.26.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
    movillages{1.2.1} [Mo' Villages] (MoVillages-1.3.1.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available
    Profiler Position: N/A (disabled)
    Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
    Player Count: 0 / 8; []
    Type: Integrated Server (map_client.txt)
    Is Modded: Definitely; Client brand changed to 'fml,forge'