Error: The context has expired and can no longer be used. (Exception from HRESULT: 0x80090317)

Reason:
1. Security context of your session may be expired.
2. You/somebody may have changed the date/time in the server.


Solution:
1. Just change/update the Date/Time in the SharePoint server.
2. Increase the Security context in SharePoint central admin. This can be done by following the below steps:


Go to central admin
Go to  "Application management section"
Go to "Web Application General Settings"
Go to "Web page Security validation" section & increase the timeout field. Or, you can simply disable this option.