I'm seeing this on the UNA Dashboard even though from what I can tell the site and PHP are working fine. Even my site host support couldn't figure this out. I'm using a TMDHosting VPS running CentOS and PHP 7.2. What are possible causes?
Edit: I have since figured this out after discovering automatic server audit.
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Mine is actually fixed. The automatic server audit gives information about how to fix it.
Point your support staff to it. I needed to let them login as admin.