diff --git a/Core/src/org/sleuthkit/autopsy/timeline/ui/listvew/SwingFXMenuUtils.java b/Core/src/org/sleuthkit/autopsy/timeline/ui/listvew/SwingFXMenuUtils.java
index 8468e8644e..17241f2a36 100644
--- a/Core/src/org/sleuthkit/autopsy/timeline/ui/listvew/SwingFXMenuUtils.java
+++ b/Core/src/org/sleuthkit/autopsy/timeline/ui/listvew/SwingFXMenuUtils.java
@@ -109,7 +109,7 @@ public class SwingFXMenuUtils extends MenuItem {
                     populateSubMenus(menuElement);
 
                 } else {
-                    throw new UnsupportedOperationException();
+                    throw new UnsupportedOperationException("Unown MenuElement subclass: " + menuElement.getClass().getName());
                 }
             }
         }