[CS:GO] Render problem at loading the map in game

[Matheus Becker]

I was editing an official map (Vertigo) to do some changes and add some routes to make the map more interactive and after  finish the whole work and loading the map at game this thing happens.
Everytime I walk off from a "part" of the map, it just dissapears and only come over again if I walk back to it.

How I fix this?
 

*****There is a photo with no errors. Curiously, is exactly a part of the map that I edited, whyysssss that?????

Edited September 29, 2017 by Matheus Becker

[RaVaGe]

An areaportal is probably leaking