Virheilmoituksia, WordPress ei käynnisty

Asennus meni käsittääkseni ok. Kun kirjaudun sisään, niin tulee nämä:

Warning: Cannot modify header information – headers already sent by (output started at /home/erotiika/public_html/wp-config.php:1) in /home/erotiika/public_html/wp-admin/install.php on line 54

Warning: Cannot modify header information – headers already sent by (output started at /home/erotiika/public_html/wp-config.php:1) in /home/erotiika/public_html/wp-login.php on line 384

Warning: Cannot modify header information – headers already sent by (output started at /home/erotiika/public_html/wp-config.php:1) in /home/erotiika/public_html/wp-login.php on line 396

Warning: Cannot modify header information – headers already sent by (output started at /home/erotiika/public_html/wp-config.php:1) in /home/erotiika/public_html/wp-includes/pluggable.php on line 678

Warning: Cannot modify header information – headers already sent by (output started at /home/erotiika/public_html/wp-config.php:1) in /home/erotiika/public_html/wp-includes/pluggable.php on line 679

Warning: Cannot modify header information – headers already sent by (output started at /home/erotiika/public_html/wp-config.php:1) in /home/erotiika/public_html/wp-includes/pluggable.php on line 680

Warning: Cannot modify header information – headers already sent by (output started at /home/erotiika/public_html/wp-config.php:1) in /home/erotiika/public_html/wp-includes/pluggable.php on line 875

Missä vika? Miten korjataan?