Tried it just as you suggested and still am having the issue. 

Like I mentioned, opening either the fourth or third zone would activate spawners in the fifth. I've checked the keys and values and there is no link to the fifth zone in either of the two triggers used to enter the fourth and third.

I apologize I did mean to add a picture of the layout I must've forgot.

https://i.imgur.com/rxQbbEw.jpg

I added a fifth zone to my map; this fifth has two adjacent zones along with two doors to enter the zone from either of these adjacent zones. Upon testing the map to see if the doors and spawners were functioning correctly, a strange bug occured in which opening a door to enter either of these ...

Fixed the error, all good now.

Upon compiling a map I had started making, I get the message " script runtime error " " unknown item 'fraggrenade' " followed by a black screen with a cursor stuck in the middle. I've looked at some of the other posts on this error and had a hard time und...