2012-11-24 16:06:15 [SEVERE] [ForgeModLoader] A TileEntity pam(mrkirby153.periodicraft.TileEntityPAM) has thrown an exception during loading, its state cannot be restored. Report this to the mod author
net.minecraft.src.ReportedException: Reading NBT data
	at net.minecraft.src.NBTTagCompound.getInteger(NBTTagCompound.java:227)
	at mrkirby153.periodicraft.TileEntityPAM.readFromNBT(TileEntityPAM.java:32)
	at net.minecraft.src.TileEntity.createAndLoadEntity(TileEntity.java:139)
	at net.minecraft.src.AnvilChunkLoader.readChunkFromNBT(AnvilChunkLoader.java:387)
	at net.minecraft.src.AnvilChunkLoader.checkedReadChunkFromNBT(AnvilChunkLoader.java:89)
	at net.minecraft.src.AnvilChunkLoader.loadChunk(AnvilChunkLoader.java:69)
	at net.minecraft.src.ChunkProviderServer.safeLoadChunk(ChunkProviderServer.java:166)
	at net.minecraft.src.ChunkProviderServer.loadChunk(ChunkProviderServer.java:102)
	at net.minecraft.server.MinecraftServer.initialWorldChunkLoad(MinecraftServer.java:313)
	at net.minecraft.src.IntegratedServer.loadAllWorlds(IntegratedServer.java:71)
	at net.minecraft.src.IntegratedServer.startServer(IntegratedServer.java:87)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:456)
	at net.minecraft.src.ThreadMinecraftServer.run(ThreadMinecraftServer.java:17)
Caused by: java.lang.ClassCastException: net.minecraft.src.NBTTagString cannot be cast to net.minecraft.src.NBTTagInt
	at net.minecraft.src.NBTTagCompound.getInteger(NBTTagCompound.java:223)
	... 12 more