wont

So I was working on a map, compiled it and it worked just fine. After a few weeks of not working on it I went into a big mapping frenzy and did a bunch of work on it. I wanted to test the new version so I compiled. After I load it up in tf2, however, it boots me out of the game and gives me a...

I'm new to map making and I've just created my first one but I've run into a wall. Any time I decide to run my map it brings up the grey background screen of TF2 and closes out without going further. Ive checked for leaks which there are none and have been around several threads but I can't...