Half the letters in my text don't show up at higher resolutions.

EDIT: Deactivating and reactivating the panel seems to shuffle which words are missing letters, and which letters are missing. I have no idea what's causing this. EDIT 2: No fonts work if best fit is enabled. If there isn't a way to fix this, a suggestion for a better way to scale text would be much appreciated! EDIT 3: Even without 'best fit', the text doesn't work. And with values set in the editor. It seems that no combination of settings, sizes, or fonts seems to make it work.

I am working on a project in which I am using a custom font. Problem is, with resolutions higher than 1280x720, half the characters in the text don't show up! Pictures attached:

Note: Don't know if this helps, but I have it set to best fit. Also, to avoid blurry text, I have the font size very high and the GameObject scaled down to fit.