Warning: require(./wp-blog-header.php): Failed to open stream: No such file or directory in /home/public/wordpress/index.php on line 17

Fatal error: Uncaught Error: Failed opening required './wp-blog-header.php' (include_path='.:/usr/local/php/8.1.33-nfsn4/lib/:/usr/local/php/lib/') in /home/public/wordpress/index.php:17 Stack trace: #0 {main} thrown in /home/public/wordpress/index.php on line 17