I've checked lots of tutorials and wikis and checked to see if my scripting was correct and I don't see any error but there must be one. I'm not sure if it's in the gsc or not

dlc3_zone_init()
{

   add_adjacent_zone( "start_zone", "zone_rev...

I'm not sure what the issue is as I have added the adjacent zones into the .gsc and have added the scripting to the doors and volumes so am not sure of the problem. Help plz.