Code Error

Error 500

An error occurred while processing your code.

PHP Fatal error:  Uncaught mysqli_sql_exception: Access denied for user 'lebron2024'@'localhost' (using password: YES) in usingonefile.php:15
Stack trace:
#0 usingonefile.php(15): mysqli->__construct()
#1 {main}
  thrown in usingonefile.php on line 15