Mysql errorPDOException: SQLSTATE[HY000] [1045] Access denied for user 'university'@'localhost' (using password: YES) in /www/wwwroot/bytemaster.ir/university/register-form/core/helpers/DB.php:15 Stack trace: #0 /www/wwwroot/bytemaster.ir/university/register-form/core/helpers/DB.php(15): PDO->__construct() #1 /www/wwwroot/bytemaster.ir/university/register-form/core/helpers/DB.php(290): helper\DB->connection() #2 /www/wwwroot/bytemaster.ir/university/register-form/register-class-form.php(148): helper\DB->getExerciseClasses() #3 {main}