Editing mission.sqm - Not working?

Have dayzCC, somehow set restriction on the file "mission.sqm" wich is located in the root of dayz_mission.pbo?
I am trying to create safezones around the map, but whenever and wherever i place class Sensor inside the .sqm file i do get stuck on wait for host. Everything should be correct. I am running Chernarus

- Found out, it works.

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