Не дает доступ к базе данных?

В чем ошибка?

Fatal error: Uncaught exception PDOException with message invalid data source name in /home/e/e96548p5/e96548p5.beget.tech/public_html/db.php:5 Stack trace:
#0 /home/e/e96548p5/e96548p5.beget.tech/public_html/db.php (5): PDO->__construct('dbname=e96548p5...', 'e96548p5', 'пароль бд')
#1 /home/e/e96548p5/e96548p5.beget.tech/public_html/index.php (3):
include('/home/e/e96548p...')
#2 {main} thrown in /home/e/e96548p5/e96548p5.beget.tech/public_html/db.php on line 5

Скрипт подключения:

<?php
$dsn = 'mysql:dbname=e96548p5_test;host=localhost';
$user = 'e96548p5';
$password = 'пароль бд';
$dbh = new PDO($dsn, $user, $password);
?>