The Audit Log page also allows for the restoring of an older configuration via the 'Restore' button. Each time you perform an Apply Changes from the Configuration menu, a backup of the Opsview Monitor configuration database is automatically performed by the system.
These configurations can be re-applied to your production system via the 'Restore' button on a 'Reload' entry, as below:

If you are sure you want to restore to the backup, simply click on 'Restore'. Once done, you will need to go to Configuration > Apply Changes to set this configuration into production.