Edit file File name : page-list-item.php Content :<?php /** * Server-side rendering of the `core/page-list-item` block. * * @package WordPress */ /** * Registers the `core/page-list-item` block on server. * * @since 6.3.0 */ function register_block_core_page_list_item() { register_block_type_from_metadata( __DIR__ . '/page-list-item' ); } add_action( 'init', 'register_block_core_page_list_item' ); Save