Fatal error: Uncaught PDOException: SQLSTATE[HY000] [1045] Access denied for user 'root'@'localhost' (using password: NO) in C:\portablexampp\htdocs\GroupBox\db_connection.php:18 Stack trace: #0 C:\portablexampp\htdocs\GroupBox\index.php(3): require() #1 {main} thrown in C:\portablexampp\htdocs\GroupBox\db_connection.php on line 18