Prevent error if + pressed while nothing is selected

diff --git a/net/systemeD/potlatch2/TagViewer.mxml b/net/systemeD/potlatch2/TagViewer.mxml
index 213c0d1..244e1d4 100644 (file)
--- a/net/systemeD/potlatch2/TagViewer.mxml
+++ b/net/systemeD/potlatch2/TagViewer.mxml
@@ -562,7 +562,7 @@
       }
 
       public function addNewTag():void {
-          if (stack.selectedChild!=advancedContainer) { return; }
+          if (stack.selectedChild!=advancedContainer || selectedEntity == null) { return; }
           var newKey:String = "(new tag)";
           var newTag:Tag = new Tag(selectedEntity, newKey, "(new value)");
           tagDataProvider.addItem(newTag);