[PrestaShopDatabaseException]

Link to database cannot be established: Access denied for user 'ps_campo'@'localhost' (using password: YES)
at line 47 in file classes/db/DbMySQLi.php

42. 		else
43. 			$this->link = @new mysqli($this->server, $this->user, $this->password, $this->database);
44. 
45. 		// Do not use object way for error because this work bad before PHP 5.2.9
46. 		if (mysqli_connect_error())
47. 			throw new PrestaShopDatabaseException(sprintf(Tools::displayError('Link to database cannot be established: %s'), mysqli_connect_error()));
48. 
49. 		// UTF-8 support
50. 		if (!$this->link->query('SET NAMES \'utf8\''))
51. 			throw new PrestaShopDatabaseException(Tools::displayError('PrestaShop Fatal error: no utf-8 support. Please check your server configuration.'));
52.