Please follow the below template, it will help us to help you!
Expected Behaviour:
DNS Settings page to list and show selected Dns Servers.
Blocklist Page show all Block lists not just 4
System Settings show system settings
Actual Behaviour:
All Settings pages are white screen except block list
if Block list screen is loaded before going to other settings page. blocklist shows on all settings page.
It displayed properly in the past .. I think it might be update related because I just updated this one and the one I sent in help ticket to update and they are both doing it.
Here's the second Debug log for the other Server that was just updated having same issue.