Fatal error: Uncaught mysqli_sql_exception: Access denied for user 'i2019038'@'sojt.ansan.kr' (using password: NO) in /users/2020/i2019038/public_html/WebDB/06/insert.php:2 Stack trace: #0 /users/2020/i2019038/public_html/WebDB/06/insert.php(2): mysqli_connect() #1 {main} thrown in /users/2020/i2019038/public_html/WebDB/06/insert.php on line 2