invalid menu item in wordpress

  1. In your WordPress dashboard, go to "Appearance" and then select "Menus."
  2. Look for the invalid menu item in the list of menu items.
  3. Edit the invalid menu item, and ensure that the "Navigation Label" and "URL" fields are correctly filled out.
  4. If the menu item is no longer needed, simply remove it from the menu.
  5. Save the menu after making the necessary changes.