Crash report from GUI file

---- Minecraft Crash Report ----
// I let you down. Sorry :(

Time: 12-12-24 21:11
Description: Rendering screen

java.lang.NullPointerException
	at telinc.machinesPlus.client.gui.inventory.GuiPowerStorer.drawGuiContainerBackgroundLayer(GuiPowerStorer.java:42)
	at net.minecraft.client.gui.inventory.GuiContainer.drawScreen(GuiContainer.java:78)
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1001)
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:878)
	at net.minecraft.client.Minecraft.run(Minecraft.java:773)
	at java.lang.Thread.run(Unknown Source)


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

-- Head --
Stacktrace:
	at telinc.machinesPlus.client.gui.inventory.GuiPowerStorer.drawGuiContainerBackgroundLayer(GuiPowerStorer.java:42)
	at net.minecraft.client.gui.inventory.GuiContainer.drawScreen(GuiContainer.java:78)

-- Screen render details --
Details:
	Screen name: telinc.machinesPlus.client.gui.inventory.GuiPowerStorer
	Mouse location: Scaled: (213, 119). Absolute: (427, 240)
	Screen size: Scaled: (427, 240). Absolute: (854, 480). Scale factor of 2

-- Affected level --
Details:
	Level name: MpServer
	All players: 1 total; [EntityClientPlayerMP['Telinc1'/149, l='MpServer', x=-260,95, y=64,62, z=594,56]]
	Chunk stats: MultiplayerChunkCache: 441
	Level seed: 0
	Level generator: ID 00 - default, ver 1. Features enabled: false
	Level generator options:
	Level spawn location: World: (-102,64,258), Chunk: (at 10,4,2 in -7,16; contains blocks -112,0,256 to -97,255,271), Region: (-1,0; contains chunks -32,0 to -1,31, blocks -512,0,0 to -1,255,511)
	Level time: 12978 game time, 1210 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: 112 total; [EntitySquid['Squid'/275, l='MpServer', x=-240,47, y=55,00, z=644,50], EntitySquid['Squid'/274, l='MpServer', x=-252,50, y=58,44, z=651,78], EntityItem['item.item.dyePowder.black'/273, l='MpServer', x=-241,53, y=47,13, z=655,13], EntityBat['Bat'/272, l='MpServer', x=-254,91, y=55,82, z=621,59], EntityZombie['Zombie'/279, l='MpServer', x=-243,50, y=28,00, z=658,50], EntityZombie['Zombie'/283, l='MpServer', x=-246,50, y=47,00, z=662,50], EntityCreeper['Creeper'/282, l='MpServer', x=-247,69, y=23,79, z=665,34], EntityCreeper['Creeper'/281, l='MpServer', x=-243,50, y=26,00, z=670,50], EntitySkeleton['Skeleton'/280, l='MpServer', x=-241,54, y=29,00, z=671,15], EntitySkeleton['Skeleton'/286, l='MpServer', x=-242,50, y=29,00, z=675,06], EntitySkeleton['Skeleton'/285, l='MpServer', x=-240,97, y=29,00, z=671,97], EntityBat['Bat'/284, l='MpServer', x=-261,16, y=44,98, z=671,63], EntityChicken['Chicken'/259, l='MpServer', x=-240,50, y=64,00, z=537,50], EntitySkeleton['Skeleton'/262, l='MpServer', x=-253,50, y=54,00, z=589,94], EntityZombie['Zombie'/263, l='MpServer', x=-254,63, y=53,00, z=591,94], EntityChicken['Chicken'/260, l='MpServer', x=-243,66, y=64,00, z=542,47], EntityChicken['Chicken'/261, l='MpServer', x=-252,38, y=64,00, z=536,56], EntityBat['Bat'/266, l='MpServer', x=-245,50, y=46,10, z=595,53], EntitySlime['Slime'/267, l='MpServer', x=-251,31, y=53,69, z=607,31], EntityCreeper['Creeper'/264, l='MpServer', x=-254,69, y=26,00, z=605,03], EntityBat['Bat'/265, l='MpServer', x=-249,56, y=45,10, z=599,75], EntitySpider['Spider'/270, l='MpServer', x=-260,19, y=52,06, z=613,21], EntityBat['Bat'/271, l='MpServer', x=-253,41, y=54,29, z=609,31], EntitySkeleton['Skeleton'/268, l='MpServer', x=-252,31, y=54,56, z=624,99], EntitySpider['Spider'/269, l='MpServer', x=-255,23, y=54,62, z=617,93], EntitySkeleton['Skeleton'/305, l='MpServer', x=-231,50, y=28,00, z=675,50], EntityCreeper['Creeper'/304, l='MpServer', x=-226,38, y=28,00, z=675,94], EntityChicken['Chicken'/315, l='MpServer', x=-209,63, y=64,00, z=586,41], EntityItem['item.tile.mushroom'/316, l='MpServer', x=-222,19, y=63,13, z=595,00], EntityChicken['Chicken'/289, l='MpServer', x=-239,53, y=63,00, z=556,34], EntityChicken['Chicken'/290, l='MpServer', x=-229,47, y=63,00, z=577,59], EntityItem['item.item.bone'/291, l='MpServer', x=-231,16, y=46,13, z=606,81], EntityCreeper['Creeper'/292, l='MpServer', x=-239,78, y=47,00, z=599,84], EntityBat['Bat'/293, l='MpServer', x=-225,75, y=46,10, z=611,00], EntityZombie['Zombie'/768, l='MpServer', x=-337,89, y=36,00, z=633,69], EntityItem['item.item.dyePowder.black'/294, l='MpServer', x=-235,63, y=25,13, z=654,25], EntityBat['Bat'/295, l='MpServer', x=-234,16, y=26,39, z=653,16], EntityZombie['Zombie'/296, l='MpServer', x=-232,50, y=26,00, z=647,50], EntityCreeper['Creeper'/297, l='MpServer', x=-233,50, y=26,00, z=646,50], EntityBat['Bat'/298, l='MpServer', x=-235,56, y=26,98, z=653,47], EntityBat['Bat'/299, l='MpServer', x=-231,75, y=28,20, z=644,72], EntityCreeper['Creeper'/303, l='MpServer', x=-236,56, y=26,00, z=663,06], EntityItem['item.tile.mushroom'/153, l='MpServer', x=-264,41, y=53,13, z=602,44], EntitySquid['Squid'/332, l='MpServer', x=-200,13, y=59,38, z=624,13], EntitySquid['Squid'/333, l='MpServer', x=-199,34, y=59,34, z=618,59], EntitySquid['Squid'/330, l='MpServer', x=-203,50, y=56,13, z=574,81], EntitySquid['Squid'/331, l='MpServer', x=-200,41, y=58,28, z=622,25], EntitySquid['Squid'/329, l='MpServer', x=-199,34, y=60,00, z=587,22], EntityItem['item.tile.torch'/232, l='MpServer', x=-319,69, y=47,13, z=601,88], EntityItem['item.item.dyePowder.black'/273, l='MpServer', x=-241,53, y=47,13, z=655,13], EntitySkeleton['Skeleton'/152, l='MpServer', x=-263,61, y=30,00, z=602,91], EntityBat['Bat'/154, l='MpServer', x=-268,72, y=56,10, z=606,59], EntityBat['Bat'/155, l='MpServer', x=-256,72, y=51,10, z=599,88], EntityChicken['Chicken'/156, l='MpServer', x=-268,71, y=62,00, z=591,69], EntityItem['item.item.dyePowder.black'/294, l='MpServer', x=-235,63, y=25,13, z=654,25], EntityZombie['Zombie'/157, l='MpServer', x=-258,99, y=51,22, z=604,66], EntityItem['item.tile.mushroom'/316, l='MpServer', x=-222,19, y=63,13, z=595,00], EntityZombie['Zombie'/158, l='MpServer', x=-262,69, y=53,00, z=603,26], EntityItem['item.item.bone'/291, l='MpServer', x=-231,16, y=46,13, z=606,81], EntitySkeleton['Skeleton'/150, l='MpServer', x=-274,16, y=43,00, z=618,50], EntityZombie['Zombie'/151, l='MpServer', x=-264,53, y=40,00, z=610,59], EntityClientPlayerMP['Telinc1'/149, l='MpServer', x=-260,95, y=64,62, z=594,56], EntityItem['item.item.string'/277, l='MpServer', x=-243,47, y=28,13, z=659,88], EntityItem['item.item.string'/278, l='MpServer', x=-245,19, y=23,13, z=666,41], EntityChicken['Chicken'/191, l='MpServer', x=-338,66, y=63,00, z=580,69], EntityItem['item.item.string'/276, l='MpServer', x=-241,94, y=29,13, z=662,13], EntityChicken['Chicken'/188, l='MpServer', x=-337,50, y=63,00, z=538,31], EntityItem['item.item.string'/300, l='MpServer', x=-237,13, y=23,13, z=661,88], EntityItem['item.tile.torch'/302, l='MpServer', x=-239,84, y=23,13, z=660,13], EntityItem['item.item.string'/301, l='MpServer', x=-237,13, y=23,13, z=661,88], EntityChicken['Chicken'/207, l='MpServer', x=-332,66, y=63,00, z=530,38], EntityChicken['Chicken'/206, l='MpServer', x=-335,44, y=62,02, z=519,41], EntityZombie['Zombie'/200, l='MpServer', x=-336,50, y=39,00, z=649,50], EntityCreeper['Creeper'/197, l='MpServer', x=-338,86, y=36,00, z=633,69], EntityZombie['Zombie'/196, l='MpServer', x=-336,50, y=18,00, z=626,50], EntityChicken['Chicken'/192, l='MpServer', x=-332,53, y=62,57, z=587,72], EntityCreeper['Creeper'/194, l='MpServer', x=-337,50, y=37,00, z=622,50], EntityZombie['Zombie'/220, l='MpServer', x=-320,31, y=11,00, z=675,69], EntityBat['Bat'/216, l='MpServer', x=-322,31, y=38,10, z=641,31], EntityZombie['Zombie'/217, l='MpServer', x=-335,50, y=39,00, z=649,50], EntitySkeleton['Skeleton'/764, l='MpServer', x=-339,56, y=36,00, z=635,13], EntityCreeper['Creeper'/219, l='MpServer', x=-330,87, y=47,15, z=660,32], EntityCreeper['Creeper'/212, l='MpServer', x=-326,50, y=29,00, z=637,50], EntityBat['Bat'/213, l='MpServer', x=-327,63, y=25,89, z=631,41], EntityZombie['Zombie'/214, l='MpServer', x=-329,44, y=12,00, z=654,31], EntityBat['Bat'/215, l='MpServer', x=-321,94, y=19,73, z=638,09], EntityChicken['Chicken'/209, l='MpServer', x=-333,53, y=62,00, z=571,47], EntityChicken['Chicken'/210, l='MpServer', x=-328,56, y=62,52, z=592,44], EntityCreeper['Creeper'/211, l='MpServer', x=-334,50, y=29,00, z=635,50], EntityCreeper['Creeper'/239, l='MpServer', x=-278,50, y=47,00, z=574,50], EntityZombie['Zombie'/238, l='MpServer', x=-302,91, y=43,00, z=608,59], EntitySkeleton['Skeleton'/237, l='MpServer', x=-295,50, y=36,00, z=603,50], EntityZombie['Zombie'/234, l='MpServer', x=-310,50, y=43,00, z=644,50], EntitySpider['Spider'/233, l='MpServer', x=-319,00, y=55,00, z=609,44], EntityItem['item.tile.torch'/232, l='MpServer', x=-319,69, y=47,13, z=601,88], EntitySpider['Spider'/231, l='MpServer', x=-316,00, y=47,00, z=603,50], EntityCreeper['Creeper'/230, l='MpServer', x=-312,28, y=46,00, z=606,22], EntityZombie['Zombie'/254, l='MpServer', x=-260,95, y=44,00, z=624,50], EntitySquid['Squid'/255, l='MpServer', x=-264,81, y=57,22, z=649,28], EntitySlime['Slime'/252, l='MpServer', x=-263,66, y=53,00, z=616,69], EntitySkeleton['Skeleton'/253, l='MpServer', x=-262,03, y=51,00, z=615,50], EntitySlime['Slime'/250, l='MpServer', x=-259,03, y=52,33, z=616,78], EntitySlime['Slime'/251, l='MpServer', x=-263,34, y=51,00, z=614,38], EntitySkeleton['Skeleton'/248, l='MpServer', x=-259,75, y=52,00, z=584,34], EntityChicken['Chicken'/249, l='MpServer', x=-257,41, y=63,00, z=588,44], EntityCreeper['Creeper'/246, l='MpServer', x=-267,50, y=46,00, z=568,03], EntityCreeper['Creeper'/247, l='MpServer', x=-266,38, y=43,00, z=573,09], EntitySquid['Squid'/244, l='MpServer', x=-279,75, y=57,38, z=628,50], EntityZombie['Zombie'/242, l='MpServer', x=-283,16, y=45,00, z=620,31], EntityCreeper['Creeper'/243, l='MpServer', x=-279,34, y=45,00, z=615,69], EntityCreeper['Creeper'/240, l='MpServer', x=-279,50, y=54,00, z=604,50], EntityZombie['Zombie'/241, l='MpServer', x=-276,44, y=44,00, z=610,30]]
	Retry entities: 0 total; []
Stacktrace:
	at net.minecraft.client.multiplayer.WorldClient.addWorldInfoToCrashReport(WorldClient.java:443)
	at net.minecraft.client.Minecraft.addGraphicsAndWorldToCrashReport(Minecraft.java:2397)
	at net.minecraft.client.Minecraft.run(Minecraft.java:789)
	at java.lang.Thread.run(Unknown Source)

-- System Details --
Details:
	Minecraft Version: 1.4.5
	Operating System: Windows 7 (amd64) version 6.1
	Java Version: 1.7.0_10-ea, Oracle Corporation
	Java VM Version: Java HotSpot(TM) 64-Bit Server VM (mixed mode), Oracle Corporation
	Memory: 812405520 bytes (774 MB) / 1056309248 bytes (1007 MB) up to 1056309248 bytes (1007 MB)
	JVM Flags: 3 total; -Xincgc -Xmx1024M -Xms1024M
	AABB Pool Size: 16931 (948136 bytes; 0 MB) allocated, 1354 (75824 bytes; 0 MB) used
	Suspicious classes: FML and Forge are installed
	IntCache: cache: 0, tcache: 0, allocated: 1, tallocated: 63
	FML: MCP v7.23 FML v4.5.62.495 Minecraft Forge 6.4.2.445 4 mods loaded, 4 mods active
	mcp [Minecraft Coder Pack] (minecraft.jar) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
	FML [Forge Mod Loader] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
	Forge [Minecraft Forge] (coremods) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
	MachinesPlus [Machines Plus] (bin) Unloaded->Constructed->Pre-initialized->Initialized->Post-initialized->Available->Available->Available
	LWJGL: 2.4.2
	OpenGL: Quadro NVS 140M/PCI/SSE2 GL version 3.0.0, NVIDIA Corporation
	Is Modded: Definitely; Client brand changed to 'forge,fml'
	Type: Client (map_client.txt)
	Texture Pack: Default
	Profiler Position: N/A (disabled)
	Vec3 Pool Size: 6855 (383880 bytes; 0 MB) allocated, 764 (42784 bytes; 0 MB) used