Screenshot of JSON Parse error notification attached.
Switching over to a manual upgrade (deactivate, delete, re-upload, reinstall, reactivate) severs the connection to previous backups made to the home server (we backup both to the host server so that our clients have access to backup files, and then, alternatively, to our own server in the cloud for emergency restores if the server fails.
|WordPress version (in x.y.z format)||4.8.1|
|PHP version (in x.y.z format)||5.6|
|Akeeba Backup version (x.y.z format)||2.3.2|