Error executing task on Client
java.lang.NullPointerException
	at net.darkhax.darkutils.ContentClient.addTooltips(ContentClient.java:73)
	at net.darkhax.darkutils.ContentClient$$Lambda$4602/1808997090.accept(Unknown Source)
	at net.minecraftforge.eventbus.EventBus.doCastFilter(EventBus.java:212)
	at net.minecraftforge.eventbus.EventBus.lambda$addListener$11(EventBus.java:204)
	at net.minecraftforge.eventbus.EventBus$$Lambda$2075/1299801373.invoke(Unknown Source)
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258)
	at net.minecraftforge.event.ForgeEventFactory.onItemTooltip(ForgeEventFactory.java:262)
	at net.minecraft.item.ItemStack.func_82840_a(ItemStack.java:665)
	at net.minecraft.client.Minecraft.lambda$null$10(Minecraft.java:580)
	at net.minecraft.client.Minecraft$$Lambda$12548/332301488.apply(Unknown Source)
	at java.util.stream.ReferencePipeline$7$1.accept(ReferencePipeline.java:267)
	at java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1374)
	at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:512)
	at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:502)
	at java.util.stream.ForEachOps$ForEachOp.evaluateSequential(ForEachOps.java:151)
	at java.util.stream.ForEachOps$ForEachOp$OfRef.evaluateSequential(ForEachOps.java:174)
	at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234)
	at java.util.stream.ReferencePipeline.forEach(ReferencePipeline.java:418)
	at net.minecraft.client.util.SearchTree.func_194042_b(SourceFile:36)
	at net.minecraft.client.util.SearchTreeReloadable.func_217872_a(SourceFile:48)
	at net.minecraft.client.network.play.ClientPlayNetHandler$$Lambda$12546/1791454111.accept(Unknown Source)
	at java.util.ArrayList.forEach(ArrayList.java:1249)
	at net.minecraft.client.network.play.ClientPlayNetHandler.func_199525_a(ClientPlayNetHandler.java:1266)
	at net.minecraft.network.play.server.SUpdateRecipesPacket.func_148833_a(SourceFile:28)
	at net.minecraft.network.play.server.SUpdateRecipesPacket.func_148833_a(SourceFile:15)
	at net.minecraft.network.PacketThreadUtil.func_225383_a(SourceFile:21)
	at net.minecraft.network.PacketThreadUtil$$Lambda$12475/797690818.run(Unknown Source)
	at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213166_h(SourceFile:144)
	at net.minecraft.util.concurrent.RecursiveEventLoop.func_213166_h(SourceFile:23)
	at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213168_p(SourceFile:118)
	at net.minecraft.util.concurrent.ThreadTaskExecutor.func_213160_bf(SourceFile:103)
	at net.minecraft.client.Minecraft.func_195542_b(Minecraft.java:861)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:384)
	at net.minecraft.client.main.Main.main(SourceFile:155)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at net.minecraftforge.fml.loading.FMLClientLaunchProvider.lambda$launchService$0(FMLClientLaunchProvider.java:56)
	at net.minecraftforge.fml.loading.FMLClientLaunchProvider$$Lambda$409/1042366725.call(Unknown Source)
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:54)
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:72)
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:81)
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)