stuck in the skybox or whatever its called

http://puu.sh/2E3N3.jpg
map is trainsawlaser
i don't even know how but this was possible
the guy kept saying he couldnt get out of the area

Hey, map author here.  You guys must  be running version B2 where this is possible.  I updated it fixing the issue shortly after releasing that version.

Newest version is available for download here:
http://forums.tf2maps.net/showthread.php?t=21055