You are using the weapon placer in a multiplayer game (ie. used "Start Multiplayer" button when loading the map). It's not built for that, hence the errors.
Ohh, whoops, I missed that little tidbit of information in the tutorial :)
The suggestion is a nice idea, but I'm not adding more features to anything TTT-related at this point. You can see the number of existing spawns placed by the mapper by executing "find_ent info_player" in the console.
Does that mean you're wrapping up development on TTT entirely?
Player spawns are added to the existing ones by default, the "replace spawns" option disables that.
Ah, makes sense.
Thank you for the info.