Invalid ID fix

www/common/outer/userObject.js

@@ -625,12 +625,12 @@ define([
                 var root = exp.find([ROOT]);
                 var toClean = [];
                 for (var id in fd) {
-                    id = Number(id);
-                    if (!id && id !== 0) {
+                    if (String(id) !== String(Number(id))) {
                         debug("Invalid file ID in filesData.", id);
                         toClean.push(id);
                         continue;
                     }
+                    id = Number(id);
                     var el = fd[id];
 
                     // Clean corrupted data