From 6bc822d927bffb3c39d99ce1e5477b933af3efdb Mon Sep 17 00:00:00 2001
From: shagu <ericmauser@googlemail.com>
Date: Fri, 22 Dec 2017 00:51:23 +0100
Subject: [PATCH] prediction: check for valid label and id

---
 modules/prediction.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/modules/prediction.lua b/modules/prediction.lua
index 432aaa79..12476a51 100644
--- a/modules/prediction.lua
+++ b/modules/prediction.lua
@@ -152,7 +152,7 @@ pfUI:RegisterModule("prediction", function ()
     OVERHEALPERCENT = OVERHEALPERCENT or 20
 
     for id, frame in _G.pfUI.uf.frames do
-      if frame:IsVisible() then
+      if frame:IsVisible() and frame.label and frame.id then
         local unit = frame.label .. frame.id
         local health, maxHealth = UnitHealth(unit), UnitHealthMax(unit)