Crash Report

---- Minecraft Crash Report ----
// Don't be sad. I'll do better next time, I promise!

Time: 2/27/14 4:12 AM
Description: Ticking memory connection

java.lang.NullPointerException
	at lol123406.mod.PortalFire.onBlockAdded(PortalFire.java:328)
	at net.minecraft.world.chunk.Chunk.setBlockIDWithMetadata(Chunk.java:762)
	at net.minecraft.world.World.setBlock(World.java:558)
	at net.minecraft.world.World.setBlock(World.java:720)
	at lol123406.mod.GemTools.onItemUse(GemTools.java:55)
	at net.minecraft.item.ItemStack.tryPlaceItemIntoWorld(ItemStack.java:149)
	at net.minecraft.item.ItemInWorldManager.activateBlockOrUseItem(ItemInWorldManager.java:425)
	at net.minecraft.network.NetServerHandler.handlePlace(NetServerHandler.java:553)
	at net.minecraft.network.packet.Packet15Place.processPacket(Packet15Place.java:79)
	at net.minecraft.network.MemoryConnection.processReadPackets(MemoryConnection.java:89)
	at net.minecraft.network.NetServerHandler.networkTick(NetServerHandler.java:134)
	at net.minecraft.network.NetworkListenThread.networkTick(NetworkListenThread.java:53)
	at net.minecraft.server.integrated.IntegratedServerListenThread.networkTick(IntegratedServerListenThread.java:109)
	at net.minecraft.server.MinecraftServer.updateTimeLightAndEntities(MinecraftServer.java:677)
	at net.minecraft.server.MinecraftServer.tick(MinecraftServer.java:573)
	at net.minecraft.server.integrated.IntegratedServer.tick(IntegratedServer.java:127)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:470)
	at net.minecraft.server.ThreadMinecraftServer.run(ThreadMinecraftServer.java:16)


A detailed walkthrough of the error, its code path and all known details is as follows:
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-- System Details --
Details:
	Minecraft Version: 1.5.2
	Operating System: Windows 8 (amd64) version 6.2
	Java Version: 1.7.0_51, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 857206696 bytes (817 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)
	JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
	AABB Pool Size: 6798 (380688 bytes; 0 MB) allocated, 6714 (375984 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 0, allocated: 3, tallocated: 63
	FML: MCP v7.51 FML v5.2.23.738 Minecraft Forge 7.8.1.738 4 mods loaded, 4 mods active
	mcp{7.51} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	FML{5.2.23.738} [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Forge{7.8.1.738} [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	lols gem mod{v2.1} [Lols Gem Mod] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 1245 (69720 bytes; 0 MB) allocated, 1244 (69664 bytes; 0 MB) used
	Player Count: 1 / 8; [EntityPlayerMP['Player331'/499, l='New World', x=-195.70, y=67.00, z=295.86]]
	Type: Integrated Server (map_client.txt)
	Is Modded: Definitely; Client brand changed to 'fml,forge'