Login Problem bei WP 4.4.4

Folgende Fehlermeldungen werden mir angezeigt:

[FONT=&amp]Warning[/FONT]: Cannot modify header information - headers already sent by (output started at /homepages/../.../htdocs/wordpress/wp-config.php:1) in [FONT=&amp]wordpress/wp-login.php[/FONT] on line [FONT=&amp]387[/FONT]

[FONT=&amp]Warning[/FONT]: Cannot modify header information - headers already sent by (output started at /homepages/../…/htdocs/wordpress/wp-config.php:1) in [FONT=&amp]wordpress/wp-login.php[/FONT] on line [FONT=&amp]400[/FONT]

[FONT=&amp]Darunter ist das Loginfenster von WP zu sehen.Nach der Eingabe der Daten, kommt folgender Fehler:[/FONT]
[FONT=&amp]
Warning[/FONT]: Cannot modify header information - headers already sent by (output started at /homepages/../…/htdocs/wordpress/wp-config.php:1) in [FONT=&amp]/homepages/../…/htdocs/wordpress/wp-login.php[/FONT] on line [FONT=&amp]387[/FONT]

[FONT=&amp]Warning[/FONT]: Cannot modify header information - headers already sent by (output started at /homepages/../…/htdocs/wordpress/wp-config.php:1) in [FONT=&amp]/homepages/../…/htdocs/wordpress/wp-login.php[/FONT] on line [FONT=&amp]400[/FONT]

[FONT=&amp]Warning[/FONT]: Cannot modify header information - headers already sent by (output started at /homepages/../…/htdocs/wordpress/wp-config.php:1) in [FONT=&amp]/homepages/../…/htdocs/wordpress/wp-includes/pluggable.php[/FONT] on line [FONT=&amp]955[/FONT]

[FONT=&amp]Warning[/FONT]: Cannot modify header information - headers already sent by (output started at /homepages/../…/htdocs/wordpress/wp-config.php:1) in [FONT=&amp]/homepages/../…/htdocs/wordpress/wp-includes/pluggable.php[/FONT] on line [FONT=&amp]956[/FONT]

[FONT=&amp]Warning[/FONT]: Cannot modify header information - headers already sent by (output started at /homepages/../…/htdocs/wordpress/wp-config.php:1) in [FONT=&amp]/homepages/../../htdocs/wordpress/wp-includes/pluggable.php[/FONT] on line [FONT=&amp]957

[/FONT][FONT=&amp]Kan mir bitte jemand von euch helfen?[/FONT][FONT=&amp]
[/FONT]