Error message

• Warning: Cannot modify header information - headers already sent by (output started at /home/a/anweb13/golden-resort.ru/public_html/medical_spa/index.php:21) in drupal_send_headers() (line 1499 of /home/a/anweb13/golden-resort.ru/public_html/medical_spa/includes/bootstrap.inc).
• PDOException: SQLSTATE[HY000] [1045] Access denied for user 'anweb4_goldenres'@'localhost' (using password: YES) in lock_may_be_available() (line 167 of /home/a/anweb13/golden-resort.ru/public_html/medical_spa/includes/lock.inc).