From c757e98b4fbd9110d5afbcda53f4fcc37131ea84 Mon Sep 17 00:00:00 2001
From: NO11 <weiler.noah2006@gmail.com>
Date: Wed, 17 Nov 2021 00:37:11 +0100
Subject: [PATCH] Fix #1911, error in lightning callback

---
 mods/ENVIRONMENT/lightning/init.lua | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/mods/ENVIRONMENT/lightning/init.lua b/mods/ENVIRONMENT/lightning/init.lua
index 83494462f..3579316e8 100644
--- a/mods/ENVIRONMENT/lightning/init.lua
+++ b/mods/ENVIRONMENT/lightning/init.lua
@@ -215,7 +215,9 @@ lightning.register_on_strike(function(pos, pos2, objects)
 					posadd = { x=math.cos(angle),y=0,z=math.sin(angle) }
 					posadd = vector.normalize(posadd)
 					local mob = add_entity(vector.add(pos2, posadd), "mobs_mc:skeleton")
-					mob:set_yaw(angle-math.pi/2)
+					if mob then
+						mob:set_yaw(angle-math.pi/2)
+					end
 					angle = angle + (math.pi*2) / 3
 				end