ArcGIS Portal attachments broken

Why do I receive an error about a missing item when creating a backup of my portal?

Why do I receive an error about a missing item when creating a backup of my portal? This error occurs when an item is still present in the portal’s internal database but is not present in the content directory. This is the result of an incomplete item deletion.

How do I access portal logs?

Access portal logs

1. Click Logs > Query.
2. On the Query Logs page, click Query to review the current logs.
3. To manage log settings, such as the default level of logging, how long logs are kept on disk, and where the portal writes its logs, click Home > Logs > Settings.