From 774239bc48c52b945ec053a3f3ca7ded4dd52126 Mon Sep 17 00:00:00 2001
From: Bernhard Bonigl <bernhard.bonigl@gmail.com>
Date: Wed, 18 Mar 2015 23:09:44 +0100
Subject: [PATCH] Check for material existence in Casting-IMC

---
 src/main/java/tconstruct/util/IMCHandler.java | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/main/java/tconstruct/util/IMCHandler.java b/src/main/java/tconstruct/util/IMCHandler.java
index 0158233a9a9..1c34b49c8a7 100644
--- a/src/main/java/tconstruct/util/IMCHandler.java
+++ b/src/main/java/tconstruct/util/IMCHandler.java
@@ -171,6 +171,12 @@ else if(type.equals("addPartCastingMaterial"))
                     continue;
                 }
 
+                if(TConstructRegistry.getMaterial(matID) == null)
+                {
+                    FMLLog.bigWarning("Casting IMC: Unknown Material ID " + matID);
+                    continue;
+                }
+
                 // we add the toolpart to all smeltery recipies that use iron and create a toolpart
                 List<CastingRecipe> newRecipies = new LinkedList<CastingRecipe>();
                 for(CastingRecipe recipe : TConstructRegistry.getTableCasting().getCastingRecipes())