I went and reread through the NPC Behavior docs and it says this: " The fort_leashable interface is a Guard-type NPC-specific interface". My npc type was custom, which I now know is not leashable.
I went and reread through the NPC Behavior docs and it says this: " The fort_leashable interface is a Guard-type NPC-specific interface". My npc type was custom, which I now know is not leashable.