java.lang.ClassCastException: mithion.arsmagica.items.ArsMagicaItem cannot be cast to buildcraft.transport.ItemPipe
	at buildcraft.transport.render.PipeItemRenderer.renderPipeItem(PipeItemRenderer.java:26)
	at buildcraft.transport.render.PipeItemRenderer.renderItem(PipeItemRenderer.java:94)
	at net.minecraftforge.client.ForgeHooksClient.renderInventoryItem(ForgeHooksClient.java:160)
	at net.minecraft.client.renderer.entity.RenderItem.func_82406_b(RenderItem.java:441)
	at net.minecraft.client.gui.inventory.GuiContainer.drawSlotItem(GuiContainer.java:476)
	at net.minecraft.client.gui.inventory.GuiContainer.func_74192_a(GuiContainer.java:463)
	at net.minecraft.client.gui.inventory.GuiContainer.func_73863_a(GuiContainer.java:146)
	at net.minecraft.client.renderer.InventoryEffectRenderer.func_73863_a(SourceFile:31)
	at net.minecraft.client.gui.inventory.GuiContainerCreative.func_73863_a(GuiContainerCreative.java:664)
	at net.minecraft.client.renderer.EntityRenderer.func_78480_b(EntityRenderer.java:1021)
	at net.minecraft.client.Minecraft.func_71411_J(Minecraft.java:871)
	at net.minecraft.client.Minecraft.run(Minecraft.java:760)
	at java.lang.Thread.run(Thread.java:724)