Cannot modify header information - headers already sent by

Warning: Cannot modify header information - headers already sent by (output started at /home/ncbqq2kn/public_html/wpp/wp-config.php:1) in /home/ncbqq2kn/public_html/wpp/wp-includes/pluggable.php on line 1207

ANSWER
Its utf-8 file saving problem


http://codex.wordpress.org/FAQ_Troubleshooting#How_do_I_solve_the_Headers_already_sent_warning_problem.3F



https://wordpress.org/support/topic/error-message-after-installing-cscexport-patch