Fatal error: Uncaught mysqli_sql_exception: No connection could be made because the target machine actively refused it in C:\xampp\htdocs\hrmanagement\40 hr leave approve\approvepage.php:84 Stack trace: #0 C:\xampp\htdocs\hrmanagement\40 hr leave approve\approvepage.php(84): mysqli->__construct('localhost', 'root', Object(SensitiveParameterValue), 'adminhr') #1 {main} thrown in C:\xampp\htdocs\hrmanagement\40 hr leave approve\approvepage.php on line 84