They aren't exactly settings, they are properties. A material is either opaque or not, is self-illuminant or not, translucent or not, has an environment mask or not and it has an error or it does not.
Personally I never look at these things when building.
Where are you even seeing this stuff? If you're just mapping, none of those things should be visible in Hammer's texture browser. Except self-illuminating, which has a little icon that appears under the thumbnail.
If this is your first time logging in after the migration (Feb 8, 2022), you must reset your password to log in. Follow this guide if you're having trouble