Notice: session_start(): Ignoring session_start() because a session is already active in /var/www/html/z3/track_guest.php on line 5

Fatal error: Uncaught mysqli_sql_exception: No such file or directory in /var/www/html/z3/config.php:12 Stack trace: #0 /var/www/html/z3/config.php(12): mysqli->__construct('localhost', 'root', Object(SensitiveParameterValue), 'z3_projekt') #1 /var/www/html/z3/track_guest.php(26): getConnection() #2 /var/www/html/z3/guest_table.php(8): require_once('/var/www/html/z...') #3 {main} thrown in /var/www/html/z3/config.php on line 12