Pasted

java.lang.NoSuchMethodError: net.minecraft.item.Item$Properties.func_200917_a(I)Lnet/minecraft/item/Item$Properties;
	at com.gamebuster19901.guncore.common.item.GunCoreItem.<init>(GunCoreItem.java:25)
	at com.gamebuster19901.guncore.common.item.abstracts.HeldWeapon.<init>(HeldWeapon.java:26)
	at com.gamebuster19901.oni.common.item.HaloWeapon.<init>(HaloWeapon.java:24)
	at com.gamebuster19901.oni.common.item.weapons.assaultrifle.AssaultRifle.<init>(AssaultRifle.java:46)
	at com.gamebuster19901.oni.common.item.weapons.assaultrifle.AssaultRifle.<clinit>(AssaultRifle.java:48)
	at com.gamebuster19901.oni.proxy.Proxy.registerItems(Proxy.java:76)
	at net.minecraftforge.eventbus.ASMEventHandler_7_Proxy_registerItems_Register.invoke(.dynamic)
	at net.minecraftforge.eventbus.ASMEventHandler.invoke(ASMEventHandler.java:80)
	at net.minecraftforge.eventbus.EventBus.post(EventBus.java:258)
	at net.minecraftforge.fml.javafmlmod.FMLModContainer.fireEvent(FMLModContainer.java:106)
	at java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
	at java.util.function.Consumer.lambda$andThen$0(Consumer.java:65)
	at net.minecraftforge.fml.ModContainer.transitionState(ModContainer.java:112)
	at net.minecraftforge.fml.ModList.lambda$dispatchSynchronousEvent$4(ModList.java:110)
	at java.util.ArrayList.forEach(ArrayList.java:1249)
	at net.minecraftforge.fml.ModList.dispatchSynchronousEvent(ModList.java:110)
	at net.minecraftforge.fml.ModList.lambda$static$0(ModList.java:81)
	at net.minecraftforge.fml.LifecycleEventProvider.dispatch(LifecycleEventProvider.java:71)
	at net.minecraftforge.fml.ModLoader.dispatchAndHandleError(ModLoader.java:173)
	at net.minecraftforge.fml.ModLoader.lambda$gatherAndInitializeMods$21(ModLoader.java:165)
	at net.minecraftforge.registries.GameData.fireRegistryEvents(GameData.java:918)
	at net.minecraftforge.fml.ModLoader.gatherAndInitializeMods(ModLoader.java:165)
	at net.minecraftforge.fml.client.ClientModLoader.lambda$begin$2(ClientModLoader.java:67)
	at net.minecraftforge.fml.client.ClientModLoader.lambda$createRunnableWithCatch$5(ClientModLoader.java:82)
	at net.minecraftforge.fml.client.ClientModLoader.begin(ClientModLoader.java:67)
	at net.minecraft.client.Minecraft.init(Minecraft.java:456)
	at net.minecraft.client.Minecraft.run(Minecraft.java:365)
	at net.minecraft.client.main.Main.main(Main.java:127)
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:498)
	at net.minecraftforge.userdev.FMLUserdevClientLaunchProvider.lambda$launchService$0(FMLUserdevClientLaunchProvider.java:55)
	at cpw.mods.modlauncher.LaunchServiceHandlerDecorator.launch(LaunchServiceHandlerDecorator.java:37)
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:50)
	at cpw.mods.modlauncher.LaunchServiceHandler.launch(LaunchServiceHandler.java:68)
	at cpw.mods.modlauncher.Launcher.run(Launcher.java:80)
	at cpw.mods.modlauncher.Launcher.main(Launcher.java:65)
	at net.minecraftforge.userdev.LaunchTesting.main(LaunchTesting.java:101)