Crash Report

---- Minecraft Crash Report ----
// There are four lights!

Time: 5/7/16 7:07 PM
Description: Exception initializing level

java.lang.IllegalArgumentException: bound must be positive
    at java.util.Random.nextInt(Unknown Source)
    at com.wither.withermod.ModBlockGen.generateOre(ModBlockGen.java:56)
    at com.wither.withermod.ModBlockGen.generate(ModBlockGen.java:71)
    at net.minecraftforge.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:112)
    at net.minecraft.world.gen.ChunkProviderServer.populate(ChunkProviderServer.java:293)
    at net.minecraft.world.chunk.Chunk.populateChunk(Chunk.java:1178)
    at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:196)
    at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:138)
    at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:108)
    at net.minecraft.world.gen.ChunkProviderServer.provideChunk(ChunkProviderServer.java:209)
    at net.minecraft.world.World.getChunkFromChunkCoords(World.java:360)
    at net.minecraft.world.World.getChunkFromBlockCoords(World.java:349)
    at net.minecraft.world.World.getBlockState(World.java:902)
    at net.minecraft.world.World.isAirBlock(World.java:271)
    at net.minecraft.world.World.getGroundAboveSeaLevel(World.java:247)
    at net.minecraft.world.WorldProvider.canCoordinateBeSpawn(WorldProvider.java:87)
    at net.minecraft.world.WorldServer.createSpawnPosition(WorldServer.java:910)
    at net.minecraft.world.WorldServer.initialize(WorldServer.java:829)
    at net.minecraft.server.integrated.IntegratedServer.loadAllWorlds(IntegratedServer.java:92)
    at net.minecraft.server.integrated.IntegratedServer.startServer(IntegratedServer.java:130)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:500)
    at java.lang.Thread.run(Unknown Source)


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 com.wither.withermod.ModBlockGen.generateOre(ModBlockGen.java:56)
    at com.wither.withermod.ModBlockGen.generate(ModBlockGen.java:71)
    at net.minecraftforge.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:112)
    at net.minecraft.world.gen.ChunkProviderServer.populate(ChunkProviderServer.java:293)
    at net.minecraft.world.chunk.Chunk.populateChunk(Chunk.java:1178)
    at net.minecraft.world.gen.ChunkProviderServer.originalLoadChunk(ChunkProviderServer.java:196)
    at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:138)
    at net.minecraft.world.gen.ChunkProviderServer.loadChunk(ChunkProviderServer.java:108)
    at net.minecraft.world.gen.ChunkProviderServer.provideChunk(ChunkProviderServer.java:209)
    at net.minecraft.world.World.getChunkFromChunkCoords(World.java:360)
    at net.minecraft.world.World.getChunkFromBlockCoords(World.java:349)
    at net.minecraft.world.World.getBlockState(World.java:902)
    at net.minecraft.world.World.isAirBlock(World.java:271)
    at net.minecraft.world.World.getGroundAboveSeaLevel(World.java:247)
    at net.minecraft.world.WorldProvider.canCoordinateBeSpawn(WorldProvider.java:87)
    at net.minecraft.world.WorldServer.createSpawnPosition(WorldServer.java:910)

-- Affected level --
Details:
    Level name: New World
    All players: 0 total; []
    Chunk stats: ServerChunkCache: 82 Drop: 0
    Level seed: -3385749706628182881
    Level generator: ID 01 - flat, ver 0. Features enabled: true
    Level generator options: 3;minecraft:bedrock,2*minecraft:dirt,minecraft:grass;1;village
    Level spawn location: 0.00,0.00,0.00 - 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.WorldServer.initialize(WorldServer.java:829)
    at net.minecraft.server.integrated.IntegratedServer.loadAllWorlds(IntegratedServer.java:92)
    at net.minecraft.server.integrated.IntegratedServer.startServer(IntegratedServer.java:130)
    at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:500)
    at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
    Minecraft Version: 1.8
    Operating System: Windows 10 (amd64) version 10.0
    Java Version: 1.8.0_91, Oracle Corporation
    Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
    Memory: 773940368 bytes (738 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)
    JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
    IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
    FML: MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.4.1563 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{8.0.99.99} [Forge Mod Loader] (forgeSrc-1.8-11.14.4.1563.jar)
    UCHIJAA Forge{11.14.4.1563} [Minecraft Forge] (forgeSrc-1.8-11.14.4.1563.jar)
    UCHIJAA withermod{Build 1} [Wither's Mod] (bin)
    Loaded coremods (and transformers):
    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'