WordPress database error: [Lost connection to backend server: network error (cluster23.shareddb, session=20619552, conn_id=445987206, idle=0s: 104, Connection reset by peer)]
SELECT option_value FROM wp_options WHERE option_name = 'et_automatic_updates_options' LIMIT 1

WordPress › Error

MySQL server has gone away

Cannot select database

The database server could be connected to (which means your username and password is okay) but the cl23-a-wordp-0lj database could not be selected.

If you do not know how to set up a database you should contact your host. If all else fails you may find help at the WordPress support forums.