When logging into the Security Analytics user interface, the Capture Summary tab is missing the capture interfaces usually listed at the bottom of the page. This may be accompanied by a message in a pink banner at the top that /pfs is inaccessible.
This can be caused by two things usually:
If you notice that the /pfs partition is not mounted, that is your problem. Follow the steps in this article to resolve possible /pfs file system issues.
If the appliance is not yet licensed, apply a valid license and check the Capture Summary page again.