Do you make backups?
We do daily backups to restore the files, bbdd... if we have any hardware issue...
Restore one of our backups, if is not a MrDomain issue, have an additional cost so we recommend realice your own backups to restore yourself the website if you have any problem after do changes.
If you want restore one of our backups you must open a ticket from the "Technical support" option into your customer area.
You can do your own backup following this guide: How can I create a backup?