diff --git src/wp-admin/includes/class-walker-nav-menu-edit.php src/wp-admin/includes/class-walker-nav-menu-edit.php
index 105e613..c5ab6d1 100644
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class Walker_Nav_Menu_Edit extends Walker_Nav_Menu { |
| 80 | 80 | $original_title = get_the_title( $original_object->ID ); |
| 81 | 81 | } elseif ( 'post_type_archive' == $item->type ) { |
| 82 | 82 | $original_object = get_post_type_object( $item->object ); |
| 83 | | $original_title = $original_object->labels->archives; |
| | 83 | if ( is_object( $original_object ) ) { |
| | 84 | $original_title = $original_object->labels->archives; |
| | 85 | } |
| 84 | 86 | } |
| 85 | 87 | |
| 86 | 88 | $classes = array( |
diff --git src/wp-includes/nav-menu.php src/wp-includes/nav-menu.php
index 91a102a..a8cfce4 100644
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function wp_update_nav_menu_item( $menu_id = 0, $menu_item_db_id = 0, $menu_item |
| 417 | 417 | $original_title = $original_object->post_title; |
| 418 | 418 | } elseif ( 'post_type_archive' == $args['menu-item-type'] ) { |
| 419 | 419 | $original_object = get_post_type_object( $args['menu-item-object'] ); |
| 420 | | $original_title = $original_object->labels->archives; |
| | 420 | if ( is_object( $original_object ) ) { |
| | 421 | $original_title = $original_object->labels->archives; |
| | 422 | } |
| 421 | 423 | } |
| 422 | 424 | |
| 423 | 425 | if ( $args['menu-item-title'] == $original_title ) |