a crash report from the dubstep guns mod when the search button is clicked

dubgun crash report search

---- Minecraft Crash Report ----
// Hi. I'm Minecraft, and I'm a crashaholic.

Time: 30/03/15 08:59
Description: Updating screen events

java.lang.NullPointerException: Updating screen events
	at wthieves.mods.saintspack.itemDubGun.func_77624_a(itemDubGun.java:416)
	at net.minecraft.item.ItemStack.func_82840_a(ItemStack.java:525)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.updateFilteredItems(GuiContainerCreative.java:378)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.func_147053_i(GuiContainerCreative.java:350)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.func_147050_b(GuiContainerCreative.java:550)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.func_146286_b(GuiContainerCreative.java:456)
	at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:306)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.func_146274_d(GuiContainerCreative.java:566)
	at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)
	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1628)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:961)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:887)
	at net.minecraft.client.main.Main.main(SourceFile:148)
	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:483)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)


A detailed walkthrough of the error, its code path and all known details is as follows:
---------------------------------------------------------------------------------------

-- Head --
Stacktrace:
	at wthieves.mods.saintspack.itemDubGun.func_77624_a(itemDubGun.java:416)
	at net.minecraft.item.ItemStack.func_82840_a(ItemStack.java:525)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.updateFilteredItems(GuiContainerCreative.java:378)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.func_147053_i(GuiContainerCreative.java:350)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.func_147050_b(GuiContainerCreative.java:550)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.func_146286_b(GuiContainerCreative.java:456)
	at net.minecraft.client.gui.GuiScreen.func_146274_d(GuiScreen.java:306)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.func_146274_d(GuiContainerCreative.java:566)
	at net.minecraft.client.gui.GuiScreen.func_146269_k(GuiScreen.java:268)

-- Affected screen --
Details:
	Screen name: net.minecraft.client.gui.inventory.GuiContainerCreative

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [EntityClientPlayerMP['RCXcrafter'/134, l='MpServer', x=-15.76, y=65.62, z=116.32]]
	Chunk stats: MultiplayerChunkCache: 562, 562
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options: 
	Level spawn location: World: (-20,64,112), Chunk: (at 12,4,0 in -2,7; contains blocks -32,0,112 to -17,255,127), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 363 game time, 363 day time
	Level dimension: 0
	Level storage version: 0x00000 - Unknown?
	Level weather: Rain time: 0 (now: false), thunder time: 0 (now: false)
	Level game mode: Game mode: creative (ID 1). Hardcore: false. Cheats: false
	Forced entities: 152 total; [EntityCow['Cow'/21, l='MpServer', x=-81.50, y=66.00, z=37.50], EntityCow['Cow'/22, l='MpServer', x=-78.50, y=66.00, z=39.50], EntityCow['Cow'/23, l='MpServer', x=-84.50, y=64.00, z=39.50], EntityCow['Cow'/33, l='MpServer', x=-27.78, y=64.00, z=79.22], EntityCow['Cow'/34, l='MpServer', x=-26.28, y=64.00, z=85.63], EntityCow['Cow'/35, l='MpServer', x=-31.72, y=64.00, z=84.75], EntityCow['Cow'/36, l='MpServer', x=-22.13, y=64.00, z=80.03], EntityClientPlayerMP['RCXcrafter'/134, l='MpServer', x=-15.76, y=65.62, z=116.32], EntitySquid['Squid'/186, l='MpServer', x=-48.22, y=52.00, z=134.25], EntitySquid['Squid'/187, l='MpServer', x=-38.50, y=53.31, z=131.05], EntitySquid['Squid'/188, l='MpServer', x=-52.91, y=54.16, z=130.03], EntitySquid['Squid'/189, l='MpServer', x=-45.50, y=52.25, z=131.09], EntitySquid['Squid'/190, l='MpServer', x=-50.91, y=53.75, z=130.97], EntitySquid['Squid'/191, l='MpServer', x=-55.75, y=51.34, z=133.09], EntitySquid['Squid'/192, l='MpServer', x=-47.16, y=54.38, z=126.72], EntitySquid['Squid'/193, l='MpServer', x=-49.53, y=54.38, z=125.41], EntitySquid['Squid'/194, l='MpServer', x=-46.53, y=52.00, z=135.41], EntitySquid['Squid'/195, l='MpServer', x=31.78, y=58.31, z=136.44], EntitySquid['Squid'/196, l='MpServer', x=29.34, y=60.09, z=139.53], EntitySquid['Squid'/197, l='MpServer', x=31.19, y=57.78, z=135.28], EntitySquid['Squid'/199, l='MpServer', x=29.34, y=60.34, z=142.03], EntitySquid['Squid'/200, l='MpServer', x=29.53, y=59.66, z=134.81], EntitySquid['Squid'/201, l='MpServer', x=31.44, y=59.19, z=134.72], EntitySquid['Squid'/251, l='MpServer', x=-59.91, y=49.09, z=155.47], EntitySquid['Squid'/252, l='MpServer', x=-58.38, y=49.31, z=161.53], EntitySquid['Squid'/253, l='MpServer', x=-55.31, y=49.28, z=153.94], EntitySquid['Squid'/254, l='MpServer', x=-54.50, y=46.34, z=162.44], EntitySquid['Squid'/255, l='MpServer', x=-61.97, y=47.19, z=152.63], EntitySquid['Squid'/256, l='MpServer', x=-62.75, y=49.38, z=146.75], EntitySquid['Squid'/257, l='MpServer', x=-56.88, y=49.38, z=149.78], EntitySquid['Squid'/258, l='MpServer', x=-57.25, y=49.38, z=152.47], EntitySquid['Squid'/259, l='MpServer', x=-57.44, y=47.94, z=150.97], EntitySquid['Squid'/260, l='MpServer', x=-62.84, y=49.38, z=149.88], EntitySquid['Squid'/261, l='MpServer', x=-55.28, y=45.25, z=147.28], EntitySquid['Squid'/262, l='MpServer', x=-56.25, y=47.34, z=151.22], EntitySquid['Squid'/266, l='MpServer', x=-79.81, y=51.34, z=89.56], EntitySquid['Squid'/273, l='MpServer', x=-77.94, y=48.94, z=95.50], EntitySquid['Squid'/278, l='MpServer', x=-49.97, y=55.31, z=182.81], EntitySquid['Squid'/303, l='MpServer', x=-33.06, y=47.06, z=166.59], EntitySquid['Squid'/304, l='MpServer', x=-26.91, y=44.97, z=174.66], EntitySquid['Squid'/305, l='MpServer', x=-23.22, y=45.78, z=166.91], EntitySquid['Squid'/306, l='MpServer', x=-28.84, y=47.38, z=172.72], EntitySquid['Squid'/307, l='MpServer', x=-33.38, y=47.13, z=174.56], EntitySquid['Squid'/308, l='MpServer', x=-38.94, y=45.00, z=158.63], EntitySquid['Squid'/309, l='MpServer', x=-39.91, y=43.91, z=169.63], EntitySquid['Squid'/310, l='MpServer', x=-36.91, y=47.31, z=160.75], EntitySquid['Squid'/311, l='MpServer', x=-32.72, y=47.38, z=161.22], EntitySquid['Squid'/312, l='MpServer', x=-32.63, y=46.94, z=165.19], EntitySquid['Squid'/363, l='MpServer', x=-29.91, y=53.38, z=173.13], EntitySquid['Squid'/364, l='MpServer', x=-27.28, y=53.03, z=167.59], EntitySquid['Squid'/366, l='MpServer', x=-31.75, y=52.00, z=170.63], EntitySquid['Squid'/367, l='MpServer', x=-24.56, y=51.31, z=168.34], EntitySquid['Squid'/368, l='MpServer', x=-25.84, y=53.28, z=180.03], EntitySquid['Squid'/369, l='MpServer', x=-25.78, y=51.97, z=177.59], EntitySquid['Squid'/370, l='MpServer', x=-26.63, y=51.88, z=169.44], EntitySquid['Squid'/371, l='MpServer', x=-27.97, y=53.38, z=171.66], EntitySquid['Squid'/372, l='MpServer', x=-35.97, y=53.31, z=178.53], EntitySquid['Squid'/373, l='MpServer', x=-29.50, y=51.28, z=175.38], EntitySquid['Squid'/374, l='MpServer', x=-35.97, y=53.38, z=174.28], EntitySquid['Squid'/419, l='MpServer', x=-80.38, y=59.34, z=112.06], EntitySquid['Squid'/420, l='MpServer', x=-82.09, y=60.34, z=113.47], EntitySquid['Squid'/421, l='MpServer', x=-81.53, y=59.97, z=118.56], EntitySquid['Squid'/422, l='MpServer', x=-77.88, y=60.00, z=122.59], EntitySquid['Squid'/423, l='MpServer', x=-35.47, y=56.00, z=119.47], EntitySquid['Squid'/424, l='MpServer', x=-48.97, y=57.97, z=121.75], EntitySquid['Squid'/425, l='MpServer', x=-33.47, y=57.39, z=119.47], EntitySquid['Squid'/446, l='MpServer', x=42.09, y=53.31, z=179.03], EntitySquid['Squid'/462, l='MpServer', x=-21.59, y=43.84, z=179.19], EntitySquid['Squid'/463, l='MpServer', x=-25.16, y=47.38, z=176.50], EntitySquid['Squid'/464, l='MpServer', x=-31.50, y=47.31, z=181.41], EntitySquid['Squid'/465, l='MpServer', x=-29.22, y=47.38, z=171.19], EntitySquid['Squid'/469, l='MpServer', x=-25.25, y=43.69, z=177.69], EntitySquid['Squid'/472, l='MpServer', x=-16.78, y=45.69, z=176.59], EntitySquid['Squid'/473, l='MpServer', x=-13.78, y=46.28, z=178.81], EntitySquid['Squid'/487, l='MpServer', x=-79.13, y=58.34, z=123.16], EntitySquid['Squid'/488, l='MpServer', x=-69.63, y=58.38, z=120.03], EntitySquid['Squid'/489, l='MpServer', x=-77.91, y=58.88, z=119.31], EntitySquid['Squid'/490, l='MpServer', x=-74.75, y=57.09, z=124.09], EntitySquid['Squid'/492, l='MpServer', x=-74.16, y=58.13, z=121.50], EntitySquid['Squid'/493, l='MpServer', x=-69.38, y=57.81, z=121.72], EntitySquid['Squid'/494, l='MpServer', x=-81.63, y=57.94, z=121.66], EntitySquid['Squid'/495, l='MpServer', x=-74.66, y=60.06, z=126.81], EntitySquid['Squid'/497, l='MpServer', x=-78.25, y=60.31, z=124.91], EntityCreeper['Creeper'/515, l='MpServer', x=-70.31, y=32.00, z=98.50], EntityBat['Bat'/523, l='MpServer', x=-39.69, y=12.26, z=131.63], EntityBat['Bat'/526, l='MpServer', x=-28.59, y=12.73, z=129.75], EntityBat['Bat'/543, l='MpServer', x=-29.16, y=30.11, z=79.80], EntityBat['Bat'/544, l='MpServer', x=-33.53, y=28.00, z=75.78], EntityBat['Bat'/545, l='MpServer', x=-26.69, y=31.45, z=81.46], EntityBat['Bat'/546, l='MpServer', x=-27.48, y=30.20, z=77.80], EntityBat['Bat'/547, l='MpServer', x=-28.23, y=30.43, z=79.20], EntityBat['Bat'/561, l='MpServer', x=-54.11, y=37.00, z=103.79], EntityBat['Bat'/562, l='MpServer', x=-53.60, y=39.20, z=104.93], EntityCreeper['Creeper'/603, l='MpServer', x=9.28, y=19.00, z=138.13], EntityBat['Bat'/606, l='MpServer', x=24.82, y=22.10, z=183.50], EntityCreeper['Creeper'/670, l='MpServer', x=-38.50, y=22.00, z=120.50], EntityBat['Bat'/794, l='MpServer', x=-63.50, y=14.98, z=168.56], EntityZombie['Zombie'/821, l='MpServer', x=-45.50, y=38.00, z=73.50], EntitySkeleton['Skeleton'/825, l='MpServer', x=-81.50, y=14.00, z=149.50], EntityBat['Bat'/836, l='MpServer', x=-62.59, y=15.49, z=97.52], EntitySkeleton['Skeleton'/889, l='MpServer', x=-59.50, y=34.00, z=113.50], EntityCreeper['Creeper'/972, l='MpServer', x=-85.50, y=27.00, z=146.50], EntityCreeper['Creeper'/973, l='MpServer', x=-85.50, y=27.00, z=147.50], EntityCreeper['Creeper'/974, l='MpServer', x=-38.50, y=38.00, z=69.50], EntityCreeper['Creeper'/975, l='MpServer', x=-42.50, y=38.00, z=73.50], EntityCreeper['Creeper'/996, l='MpServer', x=-34.50, y=39.00, z=76.50], EntityCreeper['Creeper'/997, l='MpServer', x=-33.50, y=39.00, z=80.50], EntityCreeper['Creeper'/998, l='MpServer', x=-38.50, y=39.00, z=76.50], EntityCreeper['Creeper'/1001, l='MpServer', x=-61.50, y=13.00, z=132.50], EntityCreeper['Creeper'/1104, l='MpServer', x=-84.50, y=28.00, z=113.50], EntitySpider['Spider'/1113, l='MpServer', x=-46.63, y=21.00, z=120.47], EntitySkeleton['Skeleton'/1114, l='MpServer', x=-43.50, y=21.00, z=120.50], EntityZombie['Zombie'/1216, l='MpServer', x=-88.16, y=49.00, z=53.50], EntityZombie['Zombie'/1223, l='MpServer', x=45.59, y=18.00, z=150.13], EntityZombie['Zombie'/1224, l='MpServer', x=47.50, y=18.00, z=148.50], EntityZombie['Zombie'/1225, l='MpServer', x=48.50, y=18.00, z=145.50], EntityZombie['Zombie'/1226, l='MpServer', x=47.69, y=18.00, z=146.91], EntityCreeper['Creeper'/1282, l='MpServer', x=13.50, y=23.00, z=190.50], EntityCreeper['Creeper'/1283, l='MpServer', x=14.50, y=23.00, z=190.50], EntityCreeper['Creeper'/1284, l='MpServer', x=14.50, y=23.00, z=189.50], EntityCreeper['Creeper'/1304, l='MpServer', x=61.50, y=33.00, z=85.50], EntitySkeleton['Skeleton'/1310, l='MpServer', x=-68.50, y=17.00, z=138.50], EntityCreeper['Creeper'/1327, l='MpServer', x=45.50, y=17.00, z=141.50], EntityCreeper['Creeper'/1328, l='MpServer', x=46.50, y=17.00, z=138.50], EntityCreeper['Creeper'/1329, l='MpServer', x=46.50, y=17.00, z=141.50], EntitySkeleton['Skeleton'/1386, l='MpServer', x=42.53, y=27.00, z=179.06], EntitySkeleton['Skeleton'/1387, l='MpServer', x=46.50, y=29.00, z=173.50], EntitySkeleton['Skeleton'/1388, l='MpServer', x=45.50, y=29.00, z=172.50], EntityZombie['Zombie'/1569, l='MpServer', x=-17.50, y=34.00, z=96.50], EntityZombie['Zombie'/1570, l='MpServer', x=-17.50, y=34.00, z=95.50], EntityZombie['Zombie'/1638, l='MpServer', x=-56.50, y=16.00, z=93.50], EntityZombie['Zombie'/1645, l='MpServer', x=-24.50, y=36.00, z=121.50], EntityZombie['Zombie'/1646, l='MpServer', x=-22.50, y=36.00, z=121.50], EntityZombie['Zombie'/1648, l='MpServer', x=-19.84, y=36.00, z=126.84], EntityZombie['Zombie'/1649, l='MpServer', x=-20.69, y=36.00, z=127.69], EntityZombie['Zombie'/1650, l='MpServer', x=-19.63, y=36.00, z=127.78], EntityZombie['Zombie'/1652, l='MpServer', x=-52.50, y=39.00, z=58.50], EntityZombie['Zombie'/1653, l='MpServer', x=-54.50, y=39.00, z=58.50], EntitySkeleton['Skeleton'/1656, l='MpServer', x=-53.50, y=39.00, z=57.50], EntitySkeleton['Skeleton'/1657, l='MpServer', x=-55.50, y=39.00, z=56.50], EntitySkeleton['Skeleton'/1658, l='MpServer', x=-57.50, y=39.00, z=57.50], EntityZombie['Zombie'/1662, l='MpServer', x=20.59, y=29.00, z=195.00], EntitySkeleton['Skeleton'/1701, l='MpServer', x=-30.50, y=29.00, z=69.50], EntityZombie['Zombie'/1703, l='MpServer', x=-77.50, y=25.00, z=109.50], EntityCreeper['Creeper'/1727, l='MpServer', x=25.50, y=11.00, z=140.50], EntityCreeper['Creeper'/1744, l='MpServer', x=1.50, y=27.00, z=183.50], EntityCreeper['Creeper'/1745, l='MpServer', x=-0.50, y=27.00, z=182.50], EntityCreeper['Creeper'/1747, l='MpServer', x=-3.50, y=28.00, z=180.00], EntityZombie['Zombie'/1749, l='MpServer', x=4.50, y=27.00, z=178.50], EntityZombie['Zombie'/1750, l='MpServer', x=3.50, y=27.00, z=181.50], EntityZombie['Zombie'/1751, l='MpServer', x=3.50, y=27.00, z=176.50], EntityBat['Bat'/5879, l='MpServer', x=10.50, y=22.26, z=60.36]]
	Retry entities: 0 total; []
	Server brand: fml,forge
	Server type: Integrated singleplayer server
Stacktrace:
	at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:373)
	at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2432)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:909)
	at net.minecraft.client.main.Main.main(SourceFile:148)
	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:483)
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28)