Yeni wordpress indirdim ftp ye attım kurdum şöyle bir hata verdi çözemiyorum nasıl düzeltebilirim?

Warning: require() [function.require]: Unable to access /home/izgudere/public_html/wp-includes/author-template.php in /home/izgudere/public_html/wp-settings.php on line 117

Warning: require(/home/izgudere/public_html/wp-includes/author-template.php) [function.require]: failed to open stream: No such file or directory in /home/izgudere/public_html/wp-settings.php on line 117

Warning: require() [function.require]: Unable to access /home/izgudere/public_html/wp-includes/author-template.php in /home/izgudere/public_html/wp-settings.php on line 117

Warning: require(/home/izgudere/public_html/wp-includes/author-template.php) [function.require]: failed to open stream: No such file or directory in /home/izgudere/public_html/wp-settings.php on line 117

Fatal error: require() [function.require]: Failed opening required '/home/izgudere/public_html/wp-includes/author-template.php' (include_path='.:/usr/lib/php:/usr/local/lib/php') in /home/izgudere/public_html/wp-settings.php on line 117