Oh the commands

src/main/java/com/volmit/iris/util/BlockDataTools.java

@@ -25,6 +25,15 @@ public class BlockDataTools
 			if(bdx == null)
 			{
 				Iris.warn("Unknown Block Data '" + bd + "'");
+				try
+				{
+					throw new RuntimeException("Unknown Block Data");
+				}
+
+				catch(Throwable e)
+				{
+					e.printStackTrace();
+				}
 				nulls.add(bd);
 				return bdx;
 			}
@@ -33,12 +42,13 @@ public class BlockDataTools
 
 			return bdx;
 		}
-		
+
 		catch(Throwable e)
 		{
 			Iris.warn("Unknown Block Data '" + bd + "'");
+			e.printStackTrace();
 		}
-		
+
 		return null;
 	}