So my problem is that i have added a block to my mod and when i am in the crafting table and i place the last item needed into it the game crashes... her is my crash report...

---- Minecraft Crash Report ----

// Would you like a cupcake?

 

Time: 4/18/15 12:37 PM

Description: Rendering item

 

java.lang.NullPointerException: Rendering item

at net.minecraft.item.ItemStack.getItemDamage(ItemStack.java:265)

at net.minecraft.client.renderer.entity.RenderItem.renderItemIntoGUI(RenderItem.java:419)

at net.minecraft.client.renderer.entity.RenderItem.renderItemAndEffectIntoGUI(RenderItem.java:585)

at codechicken.nei.guihook.GuiContainerManager.drawSlotItem(GuiContainerManager.java:488)

at net.minecraft.client.gui.inventory.GuiContainer.func_146977_a(GuiContainer.java:288)

at net.minecraft.client.gui.inventory.GuiContainer.drawScreen(GuiContainer.java:114)

at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1137)

at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1056)

at net.minecraft.client.Minecraft.run(Minecraft.java:951)

at net.minecraft.client.main.Main.main(Main.java:164)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source)

at GradleStart.main(Unknown Source)

 

 

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

---------------------------------------------------------------------------------------

 

-- Head --

Stacktrace:

at net.minecraft.item.ItemStack.getItemDamage(ItemStack.java:265)

at net.minecraft.client.renderer.entity.RenderItem.renderItemIntoGUI(RenderItem.java:419)

 

-- Item being rendered --

Details:

Item Type: null

Item Aux: ~~ERROR~~ NullPointerException: null

Item NBT: null

Item Foil: ~~ERROR~~ NullPointerException: null

Stacktrace:

at net.minecraft.client.renderer.entity.RenderItem.renderItemAndEffectIntoGUI(RenderItem.java:585)

at codechicken.nei.guihook.GuiContainerManager.drawSlotItem(GuiContainerManager.java:488)

at net.minecraft.client.gui.inventory.GuiContainer.func_146977_a(GuiContainer.java:288)

at net.minecraft.client.gui.inventory.GuiContainer.drawScreen(GuiContainer.java:114)

 

-- Screen render details --

Details:

Screen name: net.minecraft.client.gui.inventory.GuiCrafting

Mouse location: Scaled: (220, 92). Absolute: (660, 602)

Screen size: Scaled: (534, 293). Absolute: (1600, 878). Scale factor of 3

 

-- Affected level --

Details:

Level name: MpServer

All players: 1 total; [EntityClientPlayerMP['Player688'/167, l='MpServer', x=-361.60, y=7.77, z=-895.36]]

Chunk stats: MultiplayerChunkCache: 225, 225

Level seed: 0

Level generator: ID 01 - flat, ver 0. Features enabled: false

Level generator options:

Level spawn location: World: (-360,4,-900), Chunk: (at 8,0,12 in -23,-57; contains blocks -368,0,-912 to -353,255,-897), Region: (-1,-2; contains chunks -32,-64 to -1,-33, blocks -512,0,-1024 to -1,255,-513)

Level time: 246470 game time, 7385 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: 62 total; [EntityHorse['Horse'/130, l='MpServer', x=-299.91, y=4.00, z=-963.97], EntityPig['Pig'/131, l='MpServer', x=-299.94, y=4.00, z=-854.94], EntityPig['Pig'/132, l='MpServer', x=-297.19, y=4.00, z=-833.34], EntitySheep['Sheep'/133, l='MpServer', x=-291.19, y=4.00, z=-847.56], EntityChicken['Chicken'/134, l='MpServer', x=-300.47, y=4.00, z=-833.53], EntityCow['Cow'/135, l='MpServer', x=-301.88, y=4.00, z=-849.09], EntitySheep['Sheep'/35, l='MpServer', x=-443.78, y=4.00, z=-967.38], EntityHorse['Horse'/36, l='MpServer', x=-436.66, y=4.00, z=-958.13], EntityPig['Pig'/37, l='MpServer', x=-443.53, y=4.00, z=-928.81], EntityClientPlayerMP['Player688'/167, l='MpServer', x=-361.60, y=7.77, z=-895.36], EntityCow['Cow'/45, l='MpServer', x=-402.13, y=4.00, z=-965.97], EntitySheep['Sheep'/51, l='MpServer', x=-392.25, y=4.00, z=-974.38], EntityChicken['Chicken'/52, l='MpServer', x=-386.41, y=4.00, z=-964.66], EntityItem['item.item.beefRaw'/62, l='MpServer', x=-373.47, y=4.13, z=-890.09], EntityItem['item.item.FPunch'/63, l='MpServer', x=-373.72, y=4.13, z=-890.63], EntityItem['item.item.leather'/64, l='MpServer', x=-373.34, y=4.13, z=-890.28], EntityPig['Pig'/69, l='MpServer', x=-359.63, y=4.00, z=-974.84], EntityItemFrame['entity.ItemFrame.name'/70, l='MpServer', x=-355.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/71, l='MpServer', x=-356.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/72, l='MpServer', x=-357.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/73, l='MpServer', x=-358.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/74, l='MpServer', x=-359.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/75, l='MpServer', x=-360.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/76, l='MpServer', x=-361.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/77, l='MpServer', x=-362.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/78, l='MpServer', x=-363.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/79, l='MpServer', x=-364.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/80, l='MpServer', x=-365.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/81, l='MpServer', x=-366.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/82, l='MpServer', x=-367.50, y=5.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/83, l='MpServer', x=-363.50, y=6.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/84, l='MpServer', x=-364.50, y=6.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/85, l='MpServer', x=-365.50, y=6.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/86, l='MpServer', x=-366.50, y=6.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/87, l='MpServer', x=-367.50, y=6.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/88, l='MpServer', x=-367.50, y=4.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/89, l='MpServer', x=-366.50, y=4.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/90, l='MpServer', x=-365.50, y=4.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/91, l='MpServer', x=-364.50, y=4.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/92, l='MpServer', x=-363.50, y=4.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/93, l='MpServer', x=-363.50, y=7.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/94, l='MpServer', x=-364.50, y=7.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/95, l='MpServer', x=-365.50, y=7.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/96, l='MpServer', x=-366.50, y=7.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/97, l='MpServer', x=-367.50, y=7.50, z=-887.06], EntityItemFrame['entity.ItemFrame.name'/98, l='MpServer', x=-367.50, y=7.50, z=-887.06], EntityCow['Cow'/99, l='MpServer', x=-361.03, y=4.00, z=-835.06], EntityHorse['Horse'/100, l='MpServer', x=-362.00, y=4.00, z=-833.16], EntityChicken['Chicken'/101, l='MpServer', x=-359.47, y=4.00, z=-824.47], EntityChicken['Chicken'/108, l='MpServer', x=-351.63, y=4.00, z=-848.63], EntityHorse['Horse'/109, l='MpServer', x=-343.09, y=4.00, z=-832.50], EntityChicken['Chicken'/110, l='MpServer', x=-341.53, y=4.00, z=-837.53], EntityCow['Cow'/111, l='MpServer', x=-342.22, y=4.00, z=-835.19], EntityPig['Pig'/114, l='MpServer', x=-324.09, y=4.00, z=-957.25], EntityCow['Cow'/115, l='MpServer', x=-327.94, y=4.00, z=-937.03], EntityPig['Pig'/116, l='MpServer', x=-327.19, y=4.00, z=-845.91], EntitySheep['Sheep'/117, l='MpServer', x=-332.81, y=4.00, z=-826.38], EntitySheep['Sheep'/118, l='MpServer', x=-332.25, y=4.00, z=-828.78], EntityPig['Pig'/122, l='MpServer', x=-309.09, y=4.00, z=-958.03], EntityPig['Pig'/123, l='MpServer', x=-319.16, y=4.00, z=-846.59], EntityCow['Cow'/124, l='MpServer', x=-311.94, y=4.00, z=-828.88], EntitySheep['Sheep'/125, l='MpServer', x=-305.16, y=4.00, z=-817.19]]

Retry entities: 0 total; []

Server brand: fml,forge

Server type: Integrated singleplayer server

Stacktrace:

at net.minecraft.client.multiplayer.WorldClient.addWorldInfoToCrashReport(WorldClient.java:415)

at net.minecraft.client.Minecraft.addGraphicsAndWorldToCrashReport(Minecraft.java:2555)

at net.minecraft.client.Minecraft.run(Minecraft.java:973)

at net.minecraft.client.main.Main.main(Main.java:164)

at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)

at sun.reflect.NativeMethodAccessorImpl.invoke(Unknown Source)

at sun.reflect.DelegatingMethodAccessorImpl.invoke(Unknown Source)

at java.lang.reflect.Method.invoke(Unknown Source)

at net.minecraft.launchwrapper.Launch.launch(Launch.java:135)

at net.minecraft.launchwrapper.Launch.main(Launch.java:28)

at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source)

at GradleStart.main(Unknown Source)

 

-- System Details --

Details:

Minecraft Version: 1.7.10

Operating System: Windows 7 (amd64) version 6.1

Java Version: 1.8.0_40, Oracle Corporation

Java VM Version: Java HotSpot 64-Bit Server VM (mixed mode), Oracle Corporation

Memory: 723797016 bytes (690 MB) / 1038876672 bytes (990 MB) up to 1038876672 bytes (990 MB)

JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M

AABB Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

IntCache: cache: 0, tcache: 0, allocated: 0, tallocated: 0

FML: MCP v9.05 FML v7.10.85.1291 Minecraft Forge 10.13.2.1291 6 mods loaded, 6 mods active

mcp{9.05} [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

FML{7.10.85.1291} [Forge Mod Loader] (forgeSrc-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

Forge{10.13.2.1291} [Minecraft Forge] (forgeSrc-1.7.10-10.13.2.1291.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

CodeChickenCore{1.0.4.29} [CodeChicken Core] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

NotEnoughItems{1.0.3.74} [Not Enough Items] (Not-Enough-Items-1.7.10.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

MoreStuff{1.0.0} [MoreStuff] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available->Available

Launched Version: 1.7.10

LWJGL: 2.9.1

OpenGL: Intel® HD Graphics GL version 2.1.0 - Build 8.15.10.2993, Intel

GL Caps: Using GL 1.3 multitexturing.

Using framebuffer objects because ARB_framebuffer_object is supported and separate blending is supported.

Anisotropic filtering is supported and maximum anisotropy is 16.

Shaders are available because OpenGL 2.1 is supported.

 

Is Modded: Definitely; Client brand changed to 'fml,forge'

Type: Client (map_client.txt)

Resource Packs: []

Current Language: English (US)

Profiler Position: N/A (disabled)

Vec3 Pool Size: 0 (0 bytes; 0 MB) allocated, 0 (0 bytes; 0 MB) used

Anisotropic Filtering: Off (1)

One of your items may be causing this.

Could you upload your mainclass code and your item class code.

I have just found the error in the code but thank you