java.lang.NullPointerException

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    • java.lang.NullPointerException: Updating screen events at net.minecraft.item.ItemStack.func_77952_i(ItemStack.java:244) at com.teambrmodding.neotech.registries.CrusherRecipes$$anonfun$getOutput$1.apply(CrusherRecipeHandler.scala:217) at com.teambrmodding.neotech.registries.CrusherRecipes$$anonfun$getOutput$1.apply(CrusherRecipeHandler.scala:201) at scala.collection.IndexedSeqOptimized$class.foreach(IndexedSeqOptimized.scala:33) at scala.collection.mutable.ArrayOps$ofRef.foreach(ArrayOps.scala:186) at com.teambrmodding.neotech.registries.CrusherRecipes.getOutput(CrusherRecipeHandler.scala:201) at com.teambrmodding.neotech.registries.CrusherRecipes.getOutput(CrusherRecipeHandler.scala:189)
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