diff --git a/package.json b/package.json
index 6a948e4e..005005c2 100644
--- a/package.json
+++ b/package.json
@@ -56,7 +56,7 @@
         "c9"
     ],
     "c9plugins": {
-        "c9.ide.language": "#9ec48a2b65",
+        "c9.ide.language": "#197e5eb0d0",
         "c9.ide.language.css": "#be07d72209",
         "c9.ide.language.generic": "#a4023db7f6",
         "c9.ide.language.html": "#9be847c0ce",
diff --git a/plugins/c9.ide.errorhandler/raygun.js b/plugins/c9.ide.errorhandler/raygun.js
index 0e1ee90e..ec401969 100644
--- a/plugins/c9.ide.errorhandler/raygun.js
+++ b/plugins/c9.ide.errorhandler/raygun.js
@@ -1419,12 +1419,13 @@ window.TraceKit = TraceKit;
   }
     
   var blackListedErrors = {
-    'Error with empty message': {},
-    'Script error.': {},
-    'DealPly is not defined': { factor: 10e5 },
-    "Cannot read property 'style' of null": { factor: 10e3 },
-    "Project with id '<id>' does not exist": { factor: 10e2 },
-    "Workspace not found": { factor: 10e2 },
+    count: 0,
+    '#Error with empty message': {},
+    '#Script error.': {},
+    '#DealPly is not defined': { factor: 10e5 },
+    "#Cannot read property 'style' of null": { factor: 10e3 },
+    "#Project with id '<id>' does not exist": { factor: 10e2 },
+    "#Workspace not found": { factor: 10e2 },
   };
   var groupedErrors = [{
     regex: /^((?:Project|User) with id ')(\d+)(' does not exist)/i,
@@ -1511,13 +1512,16 @@ window.TraceKit = TraceKit;
       }
     });
     
-    if (blackListedErrors.hasOwnProperty(message)) {
-        var count = (blackListedErrors[message].count || 0) + 1;
-        blackListedErrors[message].count = count;
-        if (count % (blackListedErrors[message].factor || 10) !== 1) {
+    var blackListEntry = blackListedErrors["#" + message];
+    if (blackListEntry) {
+        var count = (blackListEntry.count || 0) + 1;
+        blackListEntry.count = count;
+        if (count % (blackListEntry.factor || 10) !== 1) {
             return;
         }
-        finalCustomData.$blackList = blackListedErrors[message];
+        finalCustomData.$blackList = blackListEntry;
+    } else if (blackListedErrors.count < 10000) {
+        blackListedErrors["#" + message] = {};
     }
 
     var payload = {