diff -N MaterialNotFoundException.java
--- /dev/null	1 Jan 1970 00:00:00 -0000
+++ MaterialNotFoundException.java	5 Jul 2005 22:45:27 -0000	1.1
@@ -0,0 +1,19 @@

+/*
+ * MaterialNotFoundException.java
+ *
+ * Created on July 5, 2005, 3:21 PM
+ */
+
+package org.lcsim.material;
+
+/**
+ *
+ * @author jeremym
+ */
+public class MaterialNotFoundException extends Exception
+{
+    MaterialNotFoundException(String materialName)
+    {
+        super("Material was not found: " + materialName);                
+    }
+}

\ No newline at end of file