سفید شدن صفحه wp admin

[alireza013]

سلام دوستان
امروز صفحه لوگین ادمین وردپرسم سفید شده . هیچ پلاگینی هم اخیرا نصب نکردم.
چند خط آخر error_log هم خطاهایی شبیه اینه :



[02-Apr-2012 16:09:52] PHP Warning: Cannot modify header information - headers already sent by (output started at /home/lianport/public_html/books/wp-content/themes/lianbooks/functions.php:8) in /home/lianport/public_html/books/wp-includes/pluggable.php on line 866[02-Apr-2012 16:26:17] PHP Warning: Cannot modify header information - headers already sent by (output started at /home/lianport/public_html/books/wp-content/themes/lianbooks/functions.php:8) in /home/lianport/public_html/books/wp-includes/feed-rss2.php on line 8[02-Apr-2012 1825] PHP Warning: Cannot modify header information - headers already sent by (output started at /home/lianport/public_html/books/wp-content/themes/lianbooks/functions.php:8) in /home/lianport/public_html/books/wp-includes/feed-rss2-comments.php on line 8

[fara_server]

اینجا رو ببینید:http://www.geeklog.net/faqman/index.php?op=view&t=38