dediğiniz gibi yaptığım anda aşağıdaki gibi bir şeyle karşılaştım ...
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Warning: Cannot modify header information - headers already sent by (output started at /home/esgu/domains/domain.com/public_html/wp-admin/includes/misc.php:166) in /home/esgu/domains/domain.com/public_html/wp-includes/pluggable.php on line 899
Warning: is_writable() [function.is-writable]: open_basedir restriction in effect. File(/) is not within the allowed path(s): (/home/esgu/:/tmp:/var/tmp:/usr/local/lib/php/) in /home/esgu/domains/domain.com/public_html/wp-admin/includes/misc.php on line 166
Warning: Cannot modify header information - headers already sent by (output started at /home/esgu/domains/domain.com/public_html/wp-admin/includes/misc.php:166) in /home/esgu/domains/domain.com/public_html/wp-includes/pluggable.php on line 899
FTP'den bir klasör oluşturup adını ana-sayfa olarak değiştirip,wordpressi oraya aktarmanız gerekiyor.