New method for converting an invalid LostIsles terrain. If this doesn't work, then I'm going to have to go back and try something more drastic and more painful.

QuestHelper/pathfinding.lua

@@ -275,6 +275,13 @@ if QuestHelper:IsWrath32() then
   table.insert(static_zone_transitions, {153, 71, 0.5, 0.5}) -- Hrothgar's Landing <--> Icecrown
 end
 
+local function convertLostIsles(current, other1, other2)
+  if QuestHelper_ZoneLookup[current] then return current end
+  if QuestHelper_ZoneLookup[other1] then return other1 end
+  if QuestHelper_ZoneLookup[other2] then return other2 end
+  QuestHelper: Assert(false, "LostIsles is not working.")
+end
+
 function load_graph_links()
   local function convert_coordinate(coord)
     QuestHelper: Assert(coord[1] and coord[2] and coord[3])
@@ -286,19 +293,17 @@ function load_graph_links()
       coord[1] = 198
     end
 
-    -- I hate Blizzard... They can't make up their mind weather we are on LostIsles, LostIsles_terrain1 or LostIsles_terrain2, but we only seem to be on one.
-    -- Trust me when I say that unless there's more terrains for LostIsles, this does NOT loop back to coord[1] == 181.
-    if not QuestHelper_ZoneLookup[coord[1]] and coord[1] == 181 then
-      coord[1] = 208
-    end
+    -- I hate Blizzard... They can't make up their mind whether we are on LostIsles, LostIsles_terrain1 or LostIsles_terrain2, but we only seem to be on one.
+    
+    -- Create a lookup table.
+    local converter = {
+      181 = function() return convertLostIsles(181, 208, 209) end,
+      208 = function() return convertLostIsles(208, 181, 209) end,
+      209 = funciton() return convertLostIsles(209, 181, 208) end
+    }
 
-    if not QuestHelper_ZoneLookup[coord[1]] and coord[1] == 208 then
-      coord[1] = 209
-    end
-
-    if not QuestHelper_ZoneLookup[coord[1]] and coord[1] == 209 then
-      coord[1] = 181
-    end
+    -- Use the lookup table to get the real coordinate.
+    if converter[coord[1]] then coord[1] = converter[coord[1]]() end
 
     local QHZL = QuestHelper_ZoneLookup
     local test = QHZL[181] or QHZL[208] or QHZL[209]