Index: lams_central/src/java/org/lamsfoundation/lams/authoring/ObjectExtractor.java
===================================================================
RCS file: /usr/local/cvsroot/lams_central/src/java/org/lamsfoundation/lams/authoring/ObjectExtractor.java,v
diff -u -r1.101 -r1.102
--- lams_central/src/java/org/lamsfoundation/lams/authoring/ObjectExtractor.java	23 Jun 2015 17:37:03 -0000	1.101
+++ lams_central/src/java/org/lamsfoundation/lams/authoring/ObjectExtractor.java	26 Jun 2015 08:25:20 -0000	1.102
@@ -1931,7 +1931,9 @@
     }
 
     private Integer getCoord(JSONObject details, String tag) throws JSONException {
-	Integer coord = ((Number) JsonUtil.opt(details, tag)).intValue();
+	// the coordinate can be Integer or Double in JSON, need to be ready for any
+	Number number = (Number) JsonUtil.opt(details, tag);
+	Integer coord = number == null ? null : number.intValue();
 	return (coord == null) || (coord >= 0) ? coord : ObjectExtractor.DEFAULT_COORD;
     }