Warning: mysqli::__construct(): (HY000/2002): 대상 컴퓨터에서 연결을 거부했으므로 연결하지 못했습니다 in D:\xampp\htdocs\inc\db.inc.php on line 14

Fatal error: Uncaught Error: mysqli object is already closed in D:\xampp\htdocs\main.php:63 Stack trace: #0 D:\xampp\htdocs\main.php(63): mysqli_query(Object(mysqli), 'INSERT INTO hum...') #1 {main} thrown in D:\xampp\htdocs\main.php on line 63