authorization changes

app/helpers/admin/announcements_helper.rb

@@ -26,10 +26,12 @@ module Admin::AnnouncementsHelper
   end
 
   def load_access_level
-    if current_user.is_admin?
+    if (current_user.is_admin? rescue false)
       @access_level = "admin"
-    elsif current_user.is_manager?(@module_app)
+    elsif (current_user.is_manager?(@module_app) rescue false)
       @access_level = "manager"
+    else
+      @access_level = "users"
     end
   end