diff --git a/server/public/assets/js/list.js b/server/public/assets/js/list.js
index e2506c9d..683dc2eb 100755
--- a/server/public/assets/js/list.js
+++ b/server/public/assets/js/list.js
@@ -268,6 +268,7 @@ var List = {
     },
 
     dynamicContentPageJumpTo: function(page) {
+        if(document.querySelector("#wrapper") == null) return
         page = page * List.can_fit;
         var wrapperChildren = [].slice.call(document.querySelector("#wrapper").children);
         if(page > List.page || page < List.page){
@@ -293,6 +294,7 @@ var List = {
     },
 
     dynamicContentPage: function(way) {
+        if(document.querySelector("#wrapper") == null) return
         var wrapperChildren = [].slice.call(document.querySelector("#wrapper").children);
         if(way == 1 || way == 10) {
             Helper.css(wrapperChildren.slice(List.page, List.page + List.can_fit), "display", "none");
diff --git a/server/public/assets/js/listeners.js b/server/public/assets/js/listeners.js
index 5659b8e7..6b2aeca2 100755
--- a/server/public/assets/js/listeners.js
+++ b/server/public/assets/js/listeners.js
@@ -170,7 +170,25 @@ if(!Helper.mobilecheck() && (window.location.host != "localhost" && window.locat
         </div>');
         M.Modal.init(document.getElementById("contact"));
         M.Modal.getInstance(document.getElementById("contact")).open();
-        Helper.setHtml("#error-report-code", JSON.stringify(Helper.logs, undefined, 4));
+        var cache = [];
+        Helper.setHtml("#error-report-code", JSON.stringify(Helper.logs, function(key, value) {
+            if (typeof value === 'object' && value !== null) {
+                if (cache.indexOf(value) !== -1) {
+                    // Duplicate reference found
+                    try {
+                        // If this value does not reference a parent it can be deduped
+                        return JSON.parse(JSON.stringify(value));
+                    } catch (error) {
+                        // discard key if value cannot be deduped
+                        return;
+                    }
+                }
+                // Store value in our collection
+                cache.push(value);
+            }
+            return value;
+        }, 4));
+        cache = null;
         //console.error(e.originalEvent.error);
         return true;
     };