Warning: require(/home/pen2pain/public_html/wp-includes/class-wp-hook.php): failed to open stream: No such file or directory in /home/pen2pain/public_html/wp-includes/plugin.php on line 25

Fatal error: require(): Failed opening required '/home/pen2pain/public_html/wp-includes/class-wp-hook.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/pen2pain/public_html/wp-includes/plugin.php on line 25