From 225a84bc8dd6715c656be70a7d0452e197bf41dc Mon Sep 17 00:00:00 2001
From: shagu <ericmauser@googlemail.com>
Date: Sat, 29 Jul 2023 15:44:49 +0200
Subject: [PATCH] libpredict: check and abort on empty heal values

---
 libs/libpredict.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libs/libpredict.lua b/libs/libpredict.lua
index aef32b1f..e4d44c17 100644
--- a/libs/libpredict.lua
+++ b/libs/libpredict.lua
@@ -291,8 +291,8 @@ resetcache:SetScript("OnEvent", function()
 end)
 
 local function UpdateCache(spell, heal, crit)
+  local heal = heal and tonumber(heal)
   if not spell or not heal then return end
-  local heal = tonumber(heal)
 
   if not cache[spell] or cache[spell][2] then
     -- skills or equipment changed, save whatever is detected