From b5c73145dff317a21044d1bbafb3069037a04980 Mon Sep 17 00:00:00 2001
From: shagu <ericmauser@googlemail.com>
Date: Sun, 19 Aug 2018 12:30:55 +0200
Subject: [PATCH] prediction: abort on invalid values

---
 modules/prediction.lua | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/prediction.lua b/modules/prediction.lua
index b6b71c0c..efa22144 100644
--- a/modules/prediction.lua
+++ b/modules/prediction.lua
@@ -78,6 +78,10 @@ pfUI:RegisterModule("prediction", function ()
   end
 
   function pfUI.prediction:Heal(sender, target, amount, duration)
+    if not sender or not target or not amount or not duration then
+      return
+    end
+
     local timeout = duration/1000 + GetTime()
     heals[target] = heals[target] or {}
     heals[target][sender] = { amount, timeout }