No text will show up!

[CarnivorousJelly]

Try setting the category to "Hints" instead of "Message"

Edit: I can't promise this'll to anything because I'm on my phone, not in front of a computer that can read lang files. Otherwise, I'd check and compare.

Your keys and actions have no names because you must name them yourself in your .lang file, I'd recommend opening TDD's, along with the corresponding map and script file to see how they did it all

Also make sure to post your questions under Development Support: https://www.frictionalgames.com/forum/forum-39.html