---- Minecraft Crash Report ----
// Oops.

Time: 28.05.15 09:07
Description: Exception getting block type in world

java.lang.IllegalArgumentException: n must be positive
	at java.util.Random.nextInt(Unknown Source)
	at u.gaps.projectspawn.AridGen.generateOre(AridGen.java:47)
	at u.gaps.projectspawn.AridGen.generateOverworld(AridGen.java:33)
	at u.gaps.projectspawn.AridGen.generate(AridGen.java:20)
	at cpw.mods.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:106)
	at net.minecraft.world.gen.ChunkProviderServer.populate(ChunkProviderServer.java:314)
	at net.minecraft.world.chunk.Chunk.populateChunk(Chunk.java:1142)
	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:52)
	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)
	at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344)
	at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)
	at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:144)
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:119)
	at net.minecraft.world.gen.ChunkProviderServer.provideChunk(ChunkProviderServer.java:221)
	at net.minecraft.world.World.getChunkFromChunkCoords(World.java:482)
	at net.minecraft.world.World.getBlock(World.java:387)
	at net.minecraft.world.World.doesBlockHaveSolidTopSurface(World.java:2897)
	at net.minecraft.world.SpawnerAnimals.canCreatureTypeSpawnAtLocation(SpawnerAnimals.java:223)
	at net.minecraft.world.SpawnerAnimals.findChunksForSpawning(SpawnerAnimals.java:135)
	at net.minecraft.world.WorldServer.tick(WorldServer.java:169)
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:692)
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:614)
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:485)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:752)


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

-- Head --
Stacktrace:
	at java.util.Random.nextInt(Unknown Source)
	at u.gaps.projectspawn.AridGen.generateOre(AridGen.java:47)
	at u.gaps.projectspawn.AridGen.generateOverworld(AridGen.java:33)
	at u.gaps.projectspawn.AridGen.generate(AridGen.java:20)
	at cpw.mods.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:106)
	at net.minecraft.world.gen.ChunkProviderServer.populate(ChunkProviderServer.java:314)
	at net.minecraft.world.chunk.Chunk.populateChunk(Chunk.java:1142)
	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:52)
	at net.minecraftforge.common.chunkio.ChunkIOProvider.callStage2(ChunkIOProvider.java:12)
	at net.minecraftforge.common.util.AsynchronousExecutor.skipQueue(AsynchronousExecutor.java:344)
	at net.minecraftforge.common.util.AsynchronousExecutor.getSkipQueue(AsynchronousExecutor.java:302)
	at net.minecraftforge.common.chunkio.ChunkIOExecutor.syncChunkLoad(ChunkIOExecutor.java:12)
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:144)
	at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:119)
	at net.minecraft.world.gen.ChunkProviderServer.provideChunk(ChunkProviderServer.java:221)
	at net.minecraft.world.World.getChunkFromChunkCoords(World.java:482)

-- Requested block coordinates --
Details:
	Found chunk: true
	Location: World: (744,72,157), Chunk: (at 8,4,13 in 46,9; contains blocks 736,0,144 to 751,255,159), Region: (1,0; contains chunks 32,0 to 63,31, blocks 512,0,0 to 1023,255,511)
Stacktrace:
	at net.minecraft.world.World.getBlock(World.java:387)
	at net.minecraft.world.World.doesBlockHaveSolidTopSurface(World.java:2897)
	at net.minecraft.world.SpawnerAnimals.canCreatureTypeSpawnAtLocation(SpawnerAnimals.java:223)
	at net.minecraft.world.SpawnerAnimals.findChunksForSpawning(SpawnerAnimals.java:135)
	at net.minecraft.world.WorldServer.tick(WorldServer.java:169)

-- Affected level --
Details:
	Level name: TEZT
	All players: 1 total; [EntityPlayerMP['Player396'/295, l='TEZT', x=659,93, y=82,24, z=64,41]]
	Chunk stats: ServerChunkCache: 752 Drop: 0
	Level seed: 6800160992621348712
	Level generator: ID 00 - default, ver 1. Features enabled: true
	Level generator options:
	Level spawn location: World: (240,64,256), Chunk: (at 0,4,0 in 15,16; contains blocks 240,0,256 to 255,255,271), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
	Level time: 78491 game time, 38696 day time
	Level dimension: 0
	Level storage version: 0x04ABD - Anvil
	Level weather: Rain time: 142669 (now: false), thunder time: 20265 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: true
Stacktrace:
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:692)
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:614)
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:118)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:485)
	at net.minecraft.server.MinecraftServer$2.run(MinecraftServer.java:752)

-- System Details --
Details:
	Minecraft Version: 1.7.10
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_80, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 706831624 bytes (674 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)
	JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
	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 v7.10.99.99 Minecraft Forge 10.13.3.1407 5 mods loaded, 5 mods active
	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FML{7.10.99.99} [Forge Mod Loader] (forgeSrc-1.7.10-10.13.3.1407-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Forge{10.13.3.1407} [Minecraft Forge] (forgeSrc-1.7.10-10.13.3.1407-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	projs{1.0} [ProjectSpawn] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	si{0.1dev} [SI_Mod] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	GL info: ~~ERROR~~ RuntimeException: No OpenGL context found in the current thread.
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used
	Player Count: 1 / 8; [EntityPlayerMP['Player396'/295, l='TEZT', x=659,93, y=82,24, z=64,41]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Definitely; Client brand changed to 'fml,forge'