Error log

---- Minecraft Crash Report ----

WARNING: coremods are present:
Contact their authors BEFORE contacting forge

// I'm sorry, Dave.

Time: 13.08.15 18:09
Description: Unexpected error

java.lang.NullPointerException: Unexpected error
	at mod.mcreator.mcreator_clickKtoOpenGUI$KeyHandlerClass.onKeyInput(mcreator_clickKtoOpenGUI.java:146)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_6_KeyHandlerClass_onKeyInput_KeyInputEvent.invoke(.dynamic)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55)
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:138)
	at net.minecraftforge.fml.common.FMLCommonHandler.fireKeyInput(FMLCommonHandler.java:581)
	at net.minecraft.client.Minecraft.func_71407_l(Minecraft.java:1952)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1029)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:345)
	at net.minecraft.client.main.Main.main(SourceFile:120)
	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 mod.mcreator.mcreator_clickKtoOpenGUI$KeyHandlerClass.onKeyInput(mcreator_clickKtoOpenGUI.java:146)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler_6_KeyHandlerClass_onKeyInput_KeyInputEvent.invoke(.dynamic)
	at net.minecraftforge.fml.common.eventhandler.ASMEventHandler.invoke(ASMEventHandler.java:55)
	at net.minecraftforge.fml.common.eventhandler.EventBus.post(EventBus.java:138)
	at net.minecraftforge.fml.common.FMLCommonHandler.fireKeyInput(FMLCommonHandler.java:581)

-- Affected level --
Details:
	Level name: MpServer
	All players: 19 total; [EntityPlayerSP['T1MLPD3'/34769, l='MpServer', x=-2524,50, y=50,00, z=855,50], EntityOtherPlayerMP['sally007'/34672, l='MpServer', x=-2524,53, y=57,47, z=848,47], EntityOtherPlayerMP['TheJaiEpic'/7047, l='MpServer', x=-2526,22, y=50,00, z=856,69], EntityOtherPlayerMP['cubebrain03'/34733, l='MpServer', x=-2507,89, y=47,61, z=840,30], EntityOtherPlayerMP['Abeer_Zainb'/33314, l='MpServer', x=-2514,34, y=45,00, z=852,66], EntityOtherPlayerMP['Arc_X'/32981, l='MpServer', x=-2524,44, y=50,00, z=848,19], EntityOtherPlayerMP['EgePolat'/34757, l='MpServer', x=-2530,38, y=50,60, z=846,10], EntityOtherPlayerMP['Maksim_YouTube'/34745, l='MpServer', x=-2530,88, y=50,50, z=840,81], EntityOtherPlayerMP['TheReaperGR'/33227, l='MpServer', x=-2531,69, y=50,02, z=845,69], EntityOtherPlayerMP['ataraxia13'/29654, l='MpServer', x=-2525,03, y=50,00, z=846,06], EntityOtherPlayerMP['Kerf'/33630, l='MpServer', x=-2528,22, y=50,00, z=847,88], EntityOtherPlayerMP['Bobworkrer080'/34737, l='MpServer', x=-2525,75, y=50,00, z=847,34], EntityOtherPlayerMP['SinistralGaming'/34709, l='MpServer', x=-2514,03, y=49,00, z=847,75], EntityOtherPlayerMP['Zealock'/791, l='MpServer', x=-2521,50, y=50,02, z=842,50], EntityOtherPlayerMP['Prodigy7'/34608, l='MpServer', x=-2509,97, y=45,00, z=834,72], EntityOtherPlayerMP['PlayerLevelTwo'/28517, l='MpServer', x=-2539,03, y=47,00, z=822,66], EntityOtherPlayerMP['CosmicCherryBomb'/34535, l='MpServer', x=-2536,16, y=7,00, z=783,53], EntityOtherPlayerMP['Stabby_stabby'/33992, l='MpServer', x=-2471,40, y=97,94, z=778,80], EntityOtherPlayerMP['leto0001'/34765, l='MpServer', x=-2523,31, y=50,00, z=851,93]]
	Chunk stats: MultiplayerChunkCache: 169, 169
	Level seed: 0
	Level generator: ID 01 - flat, ver 0. Features enabled: false
	Level generator options:
	Level spawn location: -2525,00,50,00,855,00 - World: (-2525,50,855), Chunk: (at 3,3,7 in -158,53; contains blocks -2528,0,848 to -2513,255,863), Region: (-5,1; contains chunks -160,32 to -129,63, blocks -2560,0,512 to -2049,255,1023)
	Level time: 226047807 game time, 534000 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: survival (ID 0). Hardcore: false. Cheats: false
	Forced entities: ~~ERROR~~ ClassCastException: net.minecraft.item.ItemStack cannot be cast to java.lang.String
	Retry entities: 0 total; []
	Server brand: BungeeCord (Hypixel) <- Spigot
	Server type: Non-integrated multiplayer server
Stacktrace:
	at net.minecraft.client.multiplayer.WorldClient.func_72914_a(WorldClient.java:351)
	at net.minecraft.client.Minecraft.func_71396_d(Minecraft.java:2503)
	at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:374)
	at net.minecraft.client.main.Main.main(SourceFile:120)
	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)

-- System Details --
Details:
	Minecraft Version: 1.8
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.8.0_25, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 197967448 bytes (188 MB) / 388317184 bytes (370 MB) up to 1060372480 bytes (1011 MB)
	JVM Flags: 6 total; -XX:HeapDumpPath=MojangTricksIntelDriversForPerformance_javaw.exe_minecraft.exe.heapdump -Xmx1G -XX:+UseConcMarkSweepGC -XX:+CMSIncrementalMode -XX:-UseAdaptiveSizePolicy -Xmn128M
	IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0
	FML: Minecraft 1.8 MCP v9.10 FML v8.0.99.99 Minecraft Forge 11.14.3.1502 4 mods loaded, 4 mods active
	States: 'U' = Unloaded 'L' = Loaded 'C' = Constructed 'H' = Pre-initialized 'I' = Initialized 'J' = Post-initialized 'A' = Available 'D' = Disabled 'E' = Errored
	UCHIJA	mcp{9.05} [Minecraft Coder Pack] (minecraft.jar)
	UCHIJA	FML{8.0.99.99} [Forge Mod Loader] (forge-1.8-11.14.3.1502.jar)
	UCHIJA	Forge{11.14.3.1502} [Minecraft Forge] (forge-1.8-11.14.3.1502.jar)
	UCHIJA	ModName{1.0.0} [ModName] (test.zip)
	Loaded coremods (and transformers):
	GL info: ' Vendor: 'Intel' Version: '4.3.0 - Build 10.18.10.3960' Renderer: 'Intel(R) HD Graphics 4600'
	Launched Version: 1.8-Forge11.14.3.1502
	XRay Version: 4.1.5
	LWJGL: 2.9.1
	OpenGL: Intel(R) HD Graphics 4600 GL version 4.3.0 - Build 10.18.10.3960, Intel
	GL Caps: Using GL 1.3 multitexturing.
Using GL 1.3 texture combiners.
Using framebuffer objects because OpenGL 3.0 is supported and separate blending is supported.
Shaders are available because OpenGL 2.1 is supported.
VBOs are available because OpenGL 1.5 is supported.

	Using VBOs: No
	Is Modded: Definitely; Client brand changed to 'fml,forge'
	Type: Client (map_client.txt)
	Resource Packs: [NostalgiaCraft Alpha 3.zip]
	Current Language: English (US)
	Profiler Position: N/A (disabled)