Fix stale trade skill indices in ATSW tooltips

AdvancedTradeSkillWindow2.lua

@@ -1401,7 +1401,29 @@ end
 ATSW_TEST = 9000
 
 function ATSW_TooltipSetSkill(Tooltip, Index)
+    if not Tooltip or not Index then
+        return
+    end
+
+    Index = tonumber(Index)
+
+    if not Index or Index < 1 then
+        return
+    end
+
     if ATSW_TradeSkill() then
+        local NumSkills = GetNumTradeSkills()
+
+        if Index > NumSkills then
+            return
+        end
+
+        local Name, SkillType = GetTradeSkillInfo(Index)
+
+        if not Name or SkillType == 'header' then
+            return
+        end
+
         Tooltip:SetTradeSkillItem(Index)
     else
         Tooltip:SetCraftSpell(Index)
@@ -5797,7 +5819,11 @@ function ATSW_ShowRecipeTooltip()
 	
 	ATSWRecipeItemTooltip:SetOwner(this, 'ANCHOR_BOTTOMRIGHT')
 	
-	ATSW_TooltipSetSkill(ATSWRecipeItemTooltip, this.Position)
+	local LivePosition = GetPositionFromGame(R.Name)
+
+    if LivePosition then
+        ATSW_TooltipSetSkill(ATSWRecipeItemTooltip, LivePosition)
+    end
 	
 	ATSWRecipeItemTooltipTextLeft1:SetText(' ')
 	ATSWRecipeItemTooltip:Show()