---- 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'