Hexxit Crash

--- Minecraft Crash Report ----
// Would you like a cupcake?

Time: 1/17/15 9:16 AM
Description: Exception in server tick loop

java.lang.NullPointerException
	at atomicstryker.ruins.common.RuinTemplate.isAcceptable(RuinTemplate.java:116)
	at atomicstryker.ruins.common.RuinGenerator.findSuitableY(RuinGenerator.java:225)
	at atomicstryker.ruins.common.RuinGenerator.createBuilding(RuinGenerator.java:107)
	at atomicstryker.ruins.common.RuinGenerator.generateNormal(RuinGenerator.java:38)
	at atomicstryker.ruins.common.RuinsMod.generateSurface(RuinsMod.java:122)
	at atomicstryker.ruins.common.RuinsMod.access$200(RuinsMod.java:37)
	at atomicstryker.ruins.common.RuinsMod$RuinsWorldGenerator.generate(RuinsMod.java:101)
	at cpw.mods.fml.common.registry.GameRegistry.generateWorld(GameRegistry.java:102)
	at net.minecraft.world.gen.ChunkProviderServer.func_73153_a(ChunkProviderServer.java:259)
	at net.minecraft.world.chunk.Chunk.func_76624_a(Chunk.java:1249)
	at net.minecraft.world.gen.ChunkProviderServer.func_73158_c(ChunkProviderServer.java:153)
	at net.minecraft.server.MinecraftServer.func_71222_d(MinecraftServer.java:282)
	at net.minecraft.server.integrated.IntegratedServer.func_71247_a(IntegratedServer.java:88)
	at net.minecraft.server.integrated.IntegratedServer.func_71197_b(IntegratedServer.java:105)
	at net.minecraft.server.MinecraftServer.run(MinecraftServer.java:431)
	at net.minecraft.server.ThreadMinecraftServer.run(SourceFile:573)