[fixed] Added contingency for escape post hookup if regiion not found so npc_residence not set

locations/hookup_after.qsrc

@@ -22,6 +22,9 @@ if $ARGS[0] = 'exit':
 	elseif npc_residence[$npclastsaved] = 4:
 		!! St. Petersburg City Center exit
 		gt 'city_center'
+	else
+		!!default if no match
+		gt 'pav_residential'
 	end
 end