Maybe it failed because of these settings?

Author: AngledLuffa

src/edu/stanford/nlp/coref/CorefProperties.java

@@ -129,7 +129,7 @@ public static boolean useGoldMentions(Properties props) {
 
   public static final String OUTPUT_PATH_PROP = "coref.conllOutputPath";
   public static String conllOutputPath(Properties props) {
-    String returnPath = props.getProperty("coref.conllOutputPath", "/u/scr/nlp/coref/logs/");
+    String returnPath = props.getProperty("coref.conllOutputPath", "/u/nlp/data/coref/logs/");
     if ( ! returnPath.endsWith("/")) {
       returnPath += "/";
     }
@@ -144,7 +144,7 @@ public static void setInput(Properties props, Dataset d) {
   }
 
   private static String getDataPath(Properties props) {
-    String returnPath = props.getProperty("coref.data", "/u/scr/nlp/data/conll-2012/");
+    String returnPath = props.getProperty("coref.data", "/u/nlp/data/coref/conll-2012/");
     if ( ! returnPath.endsWith("/")) {
       returnPath += "/";
     }