Crash report

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

Time: 20/11/18 15:25
Description: Exception getting block type in world

java.lang.NullPointerException: Exception getting block type in world
	at net.minecraft.world.WorldServer.func_72923_a(WorldServer.java:855)
	at net.minecraft.world.World.func_72838_d(World.java:1338)
	at net.minecraft.world.gen.structure.StructureVillagePieces$Village.func_74893_a(StructureVillagePieces.java:1617)
	at net.minecraft.world.gen.structure.StructureVillagePieces$Hall.func_74875_a(StructureVillagePieces.java:705)
	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.ChunkProviderFlat.func_73153_a(SourceFile:132)
	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.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:199)
	at net.minecraft.world.World.func_72964_e(World.java:419)
	at net.minecraft.world.World.func_147439_a(World.java:345)
	at net.minecraft.world.World.func_147437_c(World.java:365)
	at net.minecraft.world.World.func_147474_b(World.java:329)
	at net.minecraft.world.WorldProvider.func_76566_a(WorldProvider.java:71)
	at net.minecraft.world.WorldServer.func_73052_b(WorldServer.java:749)
	at net.minecraft.world.WorldServer.func_72963_a(WorldServer.java:715)
	at WorldServerOF.func_72963_a(WorldServerOF.java:80)
	at net.minecraft.world.World.<init>(World.java:260)
	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:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at net.minecraft.world.WorldServer.func_72923_a(WorldServer.java:855)
	at net.minecraft.world.World.func_72838_d(World.java:1338)
	at net.minecraft.world.gen.structure.StructureVillagePieces$Village.func_74893_a(StructureVillagePieces.java:1617)
	at net.minecraft.world.gen.structure.StructureVillagePieces$Hall.func_74875_a(StructureVillagePieces.java:705)
	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.ChunkProviderFlat.func_73153_a(SourceFile:132)
	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.world.gen.ChunkProviderServer.func_73154_d(ChunkProviderServer.java:199)
	at net.minecraft.world.World.func_72964_e(World.java:419)

-- Requested block coordinates --
Details:
	Found chunk: true
	Location: World: (-630,64,-382), Chunk: (at 10,4,2 in -40,-24; contains blocks -640,0,-384 to -625,255,-369), Region: (-2,-1; contains chunks -64,-32 to -33,-1, blocks -1024,0,-512 to -513,255,-1)
Stacktrace:
	at net.minecraft.world.World.func_147439_a(World.java:345)
	at net.minecraft.world.World.func_147437_c(World.java:365)
	at net.minecraft.world.World.func_147474_b(World.java:329)
	at net.minecraft.world.WorldProvider.func_76566_a(WorldProvider.java:71)
	at net.minecraft.world.WorldServer.func_73052_b(WorldServer.java:749)
	at net.minecraft.world.WorldServer.func_72963_a(WorldServer.java:715)
	at WorldServerOF.func_72963_a(WorldServerOF.java:80)

-- Affected level --
Details:
	Level name: Mundo nuevo
	All players: 0 total; []
	Chunk stats: ServerChunkCache: 331 Drop: 0
	Level seed: 4034669842220352206
	Level generator: ID 01 - flat, ver 0. Features enabled: true
	Level generator options:
	Level spawn location: World: (0,0,0), Chunk: (at 0,0,0 in 0,0; contains blocks 0,0,0 to 15,255,15), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 0 game time, 0 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.world.World.<init>(World.java:260)
	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)

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Windows 10 (amd64) version 10.0
	Java Version: 1.8.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 455971064 bytes (434 MB) / 838860800 bytes (800 MB) up to 3221225472 bytes (3072 MB)
	JVM Flags: 8 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx3G -XX:+UnlockExperimentalVMOptions -XX:+UseG1GC -XX:G1NewSizePercent=20 -XX:G1ReservePercent=20 -XX:MaxGCPauseMillis=50 -XX:G1HeapRegionSize=16M
	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_E7 4 mods loaded, 4 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	mw{1.11.7.7} [Modern Warfare] (mw-1.11.7.7_mc1.7.10.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_E7
	Render Distance Chunks: 8
	Mipmaps: 4
	Anisotropic Filtering: 1
	Antialiasing: 0
	Multitexture: false
	Shaders: null
	OpenGlVersion: 3.3.0
	OpenGlRenderer: GeForce 9400 GT/PCIe/SSE2
	OpenGlVendor: NVIDIA Corporation
	CpuCount: 4