ATLAS-2767: UI : "Create" button is not enabled after an error while createing a classification

dashboardv2/public/js/views/tag/TagAttributeItemView.js

@@ -65,9 +65,13 @@ define(['require',
                 });
             },
             onCloseButton: function() {
+                var tagName = this.parentView.$el.find('[data-id="tagName"]').val();
                 if (this.parentView.collection.models.length > 0) {
                     this.model.destroy();
                 }
+                if (this.parentView.collection.models.length == 0 && tagName != "") {
+                    this.parentView.$el.parent().next().find('button.ok').removeAttr("disabled");
+                }
             }
         });
 });
\ No newline at end of file

dashboardv2/public/js/views/tag/TagLayoutView.js

@@ -209,7 +209,7 @@ define(['require',
                 var tagParents = '',
                     tagLists = '';
 
-                if (this.collection && this.collection.fullCollection.length) {
+                if (this.collection && this.collection.fullCollection.length >= 0) {
                     var sortedCollection = this.collection.fullCollection;
                     this.tagTreeList = this.getTagTreeList({ collection: sortedCollection });
                     if (searchString) {