Crash Report

[13:17:37] [Client thread/ERROR]: Couldn't render entity
java.lang.NullPointerException
	at com.hamsterfurtif.masks.masques.ItemMaskLoup.getArmorModel(ItemMaskLoup.java:36) ~[ItemMaskLoup.class:?]
	at net.minecraftforge.client.ForgeHooksClient.getArmorModel(ForgeHooksClient.java:319) ~[ForgeHooksClient.class:?]
	at net.minecraft.client.renderer.entity.layers.LayerArmorBase.func_177182_a(LayerArmorBase.java:59) ~[LayerArmorBase.class:?]
	at net.minecraft.client.renderer.entity.layers.LayerArmorBase.doRenderLayer(LayerArmorBase.java:38) ~[LayerArmorBase.class:?]
	at net.minecraft.client.renderer.entity.RendererLivingEntity.func_177093_a(RendererLivingEntity.java:457) ~[RendererLivingEntity.class:?]
	at net.minecraft.client.renderer.entity.RendererLivingEntity.doRender(RendererLivingEntity.java:179) [RendererLivingEntity.class:?]
	at net.minecraft.client.renderer.entity.RenderPlayer.func_180596_a(RenderPlayer.java:67) [RenderPlayer.class:?]
	at net.minecraft.client.renderer.entity.RenderPlayer.doRender(RenderPlayer.java:242) [RenderPlayer.class:?]
	at net.minecraft.client.renderer.entity.RenderManager.doRenderEntity(RenderManager.java:370) [RenderManager.class:?]
	at net.minecraft.client.renderer.entity.RenderManager.renderEntityStatic(RenderManager.java:327) [RenderManager.class:?]
	at net.minecraft.client.renderer.entity.RenderManager.renderEntitySimple(RenderManager.java:294) [RenderManager.class:?]
	at net.minecraft.client.renderer.RenderGlobal.renderEntities(RenderGlobal.java:631) [RenderGlobal.class:?]
	at net.minecraft.client.renderer.EntityRenderer.renderWorldPass(EntityRenderer.java:1294) [EntityRenderer.class:?]
	at net.minecraft.client.renderer.EntityRenderer.renderWorld(EntityRenderer.java:1207) [EntityRenderer.class:?]
	at net.minecraft.client.renderer.EntityRenderer.updateCameraAndRender(EntityRenderer.java:1032) [EntityRenderer.class:?]
	at net.minecraft.client.Minecraft.runGameLoop(Minecraft.java:1055) [Minecraft.class:?]
	at net.minecraft.client.Minecraft.run(Minecraft.java:345) [Minecraft.class:?]
	at net.minecraft.client.main.Main.main(SourceFile:120) [Main.class:?]
	at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) ~[?:1.8.0_31]
	at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) ~[?:1.8.0_31]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_31]
	at java.lang.reflect.Method.invoke(Method.java:483) ~[?:1.8.0_31]
	at net.minecraft.launchwrapper.Launch.launch(Launch.java:135) [launchwrapper-1.11.jar:?]
	at net.minecraft.launchwrapper.Launch.main(Launch.java:28) [launchwrapper-1.11.jar:?]
	at net.minecraftforge.gradle.GradleStartCommon.launch(Unknown Source) [start/:?]
	at GradleStart.main(Unknown Source) [start/:?]