You can check with:
Currently, it throws the error message:
Error establishing a database connection
For that check with these options:
- Username and password information in your wp-config.php file is incorrect. Please check with PHPMyAdmin and correct it or reset it. Also make necessary changes in wp-config.php file.
- Make sure that you have typed correct host name in wp-config.php file.
- Your hosting service provider’s database server is down. Hence, take a support from your hosting service provider.