is this a WG issue or a fastcraft issue?

---- Minecraft Crash Report ----
// Daisy, daisy...

Time: 22/06/15 10:06 PM
Description: Rendering Block Entity

java.lang.NullPointerException: Rendering Block Entity
at witchinggadgets.client.render.TileRenderTerraformFocus.func_147500_a(TileRenderTerraformFocus.java:51)
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_147549_a(SourceFile:100)
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_147544_a(SourceFile:92)
at fastcraft.a.o.a(F:392)
at fastcraft.Hooks.al(F:263)
at net.minecraft.client.renderer.RenderGlobal.func_147589_a(RenderGlobal.java)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1224)
at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1011)
at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:1001)
at net.minecraft.client.Minecraft.func_99999_d(Minecraft.java:898)
at net.minecraft.client.main.Main.main(SourceFile:148)
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)

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

-- Head --
Stacktrace:
at witchinggadgets.client.render.TileRenderTerraformFocus.func_147500_a(TileRenderTerraformFocus.java:51)

-- Block Entity Details --
Details:
Name: WitchingGadgets_.TileEntityTerraformFocus // witchinggadgets.common.blocks.tiles.TileEntityTerraformFocus
Block type: ID #2728 (tile.WG_MetalDevice // witchinggadgets.common.blocks.BlockWGMetalDevice)
Block data value: 0 / 0x0 / 0b0000
Block location: World: (-1538,74,1201), Chunk: (at 14,4,1 in -97,75; contains blocks -1552,0,1200 to -1537,255,1215), Region: (-4,2; contains chunks -128,64 to -97,95, blocks -2048,0,1024 to -1537,255,1535)
Actual block type: ID #0 (tile.air // net.minecraft.block.BlockAir)
Actual block data value: 0 / 0x0 / 0b0000
Stacktrace:
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_147549_a(SourceFile:100)
at net.minecraft.client.renderer.tileentity.TileEntityRendererDispatcher.func_147544_a(SourceFile:92)
at fastcraft.a.o.a(F:392)
at fastcraft.Hooks.al(F:263)
at net.minecraft.client.renderer.RenderGlobal.func_147589_a(RenderGlobal.java)
at net.minecraft.client.renderer.EntityRenderer.func_78471_a(EntityRenderer.java:1224)