Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'wordpress_63'@'localhost' (using password: YES) in /home/httpd/vhosts/isosystem.ch/isosys.ch/wp-includes/wp-db.php:1446
Stack trace:
#0 /home/httpd/vhosts/isosystem.ch/isosys.ch/wp-includes/wp-db.php(1446): mysqli_real_connect(Object(mysqli), 'localhost', 'wordpress_63', Object(SensitiveParameterValue), NULL, 3306, NULL, 0)
#1 /home/httpd/vhosts/isosystem.ch/isosys.ch/wp-includes/wp-db.php(647): wpdb->db_connect()
#2 /home/httpd/vhosts/isosystem.ch/isosys.ch/wp-includes/load.php(352): wpdb->__construct('wordpress_63', '#2owfNC6G7', 'wordpress_a3', 'localhost:3306')
#3 /home/httpd/vhosts/isosystem.ch/isosys.ch/wp-settings.php(79): require_wp_db()
#4 /home/httpd/vhosts/isosystem.ch/isosys.ch/wp-config.php(83): require_once('/home/httpd/vho...')
#5 /home/httpd/vhosts/isosystem.ch/isosys.ch/wp-load.php(37): require_once('/home/httpd/vho...')
#6 /home/httpd/vhosts/isosystem.ch/isosys.ch/wp-blog-header.php(12): require_once('/home/httpd/vho...')
#7 /home/httpd/vhosts/isosystem.ch/isosys.ch/index.php(17): require('/home/httpd/vho...')
#8 {main}
  thrown in /home/httpd/vhosts/isosystem.ch/isosys.ch/wp-includes/wp-db.php on line 1446