EDIT: Stream's over, guessing you missed it, here's a link https://www.twitch.tv/videos/140038910
Your map is pretty much broken.
A few pointers:
* Most of, if not all, of your brushes are slightly rotated/off grid. This is very bad and likely not making the next point any better.
* The map doesn't compile vis, it leaks.
* There's a lot of content in here that clearly isn't yours, you shouldn't be re-publishing assets you don't own without permission.
* You're packing stock content into the map, don't do this, it inflates the file size..
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