diff --git a/mindplot/src/main/javascript/IconGroup.js b/mindplot/src/main/javascript/IconGroup.js
index cb181a86..cdc38f22 100644
--- a/mindplot/src/main/javascript/IconGroup.js
+++ b/mindplot/src/main/javascript/IconGroup.js
@@ -80,7 +80,7 @@ mindplot.IconGroup = new Class({
         }, this);
 
         if (result == null) {
-            throw new Error("Icon can no be found:" + iconModel);
+            throw new Error("Icon can no be found:" + iconModel.getId() + ", Icons:" + this._icons);
         }
 
         return result;
diff --git a/mindplot/src/main/javascript/StandaloneActionDispatcher.js b/mindplot/src/main/javascript/StandaloneActionDispatcher.js
index 05dd2136..6990ab87 100644
--- a/mindplot/src/main/javascript/StandaloneActionDispatcher.js
+++ b/mindplot/src/main/javascript/StandaloneActionDispatcher.js
@@ -246,7 +246,12 @@ mindplot.CommandContext = new Class({
             return topicsIds.contains(topic.getId());
         });
 
-        $assert(result.length == topicsIds.length, "Could not find topic. Result:" + result + ", Filtered:" + topicsIds + ", Current Topics: " + designerTopics);
+        if (result.length != topicsIds.length) {
+            var ids = designerTopics.map(function (topic) {
+                return topic.getId();
+            });
+            $assert(result.length == topicsIds.length, "Could not find topic. Result:" + result + ", Filter Criteria:" + topicsIds + ", Current Topics: " + ids);
+        }
         return result;
     },