Fatal error: Uncaught exception Exception with message Could not connect to database (Access denied for user 'root'@'localhost' (using password: YES)) thrown in C:\xampp\htdocs\student\system\libraries\Database.php on line 70

#0 C:\xampp\htdocs\student\system\libraries\Database.php(133): Database->__construct()
#1 C:\xampp\htdocs\student\system\libraries\System.php(138): Database::getInstance()
#2 C:\xampp\htdocs\student\system\libraries\Model.php(78): System->import(Array)
#3 C:\xampp\htdocs\student\system\modules\frontend\FrontendUser.php(83): Model->__construct('Database')
#4 C:\xampp\htdocs\student\system\modules\frontend\FrontendUser.php(145): FrontendUser->__construct()
#5 C:\xampp\htdocs\student\system\libraries\System.php(138): FrontendUser::getInstance()
#6 C:\xampp\htdocs\student\index.php(57): System->import()
#7 C:\xampp\htdocs\student\index.php(253): Index->__construct(Array)
#8 {main}