fejl i phpmyadmin

jeg for den her fejl i starten når jeg går ind på phpmyadmin

Warning: Cannot modify header information - headers already sent by (output started at D:\websider\phpmyadmin\config.inc.php:501) in D:\websider\phpmyadmin\libraries\auth\cookie.auth.lib.php on line 88

når jeg skal til at logge ind men når jeg prøver på at logge ind så kommer den med den her fejl


Warning: Cannot modify header information - headers already sent by (output started at D:\websider\phpmyadmin\config.inc.php:501) in D:\websider\phpmyadmin\libraries\auth\cookie.auth.lib.php on line 394

Warning: Cannot modify header information - headers already sent by (output started at D:\websider\phpmyadmin\config.inc.php:501) in D:\websider\phpmyadmin\libraries\auth\cookie.auth.lib.php on line 400

Warning: Cannot modify header information - headers already sent by (output started at D:\websider\phpmyadmin\config.inc.php:501) in D:\websider\phpmyadmin\libraries\auth\cookie.auth.lib.php on line 412