Fatal error: Uncaught Exception: Database error: SQLSTATE[HY000] [1045] Access denied for user 'os'@'localhost' (using password: YES) in C:\xampp\htdocs\helpdesk\simplesamlphp\lib\SimpleSAML\Store\SQL.php:65 Stack trace: #0 C:\xampp\htdocs\helpdesk\simplesamlphp\lib\SimpleSAML\Store.php(49): SimpleSAML\Store\SQL->__construct() #1 C:\xampp\htdocs\helpdesk\simplesamlphp\lib\SimpleSAML\SessionHandler.php(136): SimpleSAML\Store::getInstance() #2 C:\xampp\htdocs\helpdesk\simplesamlphp\lib\SimpleSAML\SessionHandler.php(41): SimpleSAML\SessionHandler::createSessionHandler() #3 C:\xampp\htdocs\helpdesk\simplesamlphp\lib\SimpleSAML\Session.php(328): SimpleSAML\SessionHandler::getSessionHandler() #4 C:\xampp\htdocs\helpdesk\simplesamlphp\lib\SimpleSAML\Session.php(259): SimpleSAML\Session::getSession() #5 C:\xampp\htdocs\helpdesk\simplesamlphp\lib\SimpleSAML\Auth\Simple.php(51): SimpleSAML\Session::getSessionFromRequest() #6 C:\xampp\htdocs\helpdesk\index.php(20): SimpleSAML\Auth\Simple->__construct('psu-sp') #7 {main} thrown in C:\xampp\htdocs\helpdesk\simplesamlphp\lib\SimpleSAML\Store\SQL.php on line 65