From a31da5efd50c3874f272ca91127662537e1c4826 Mon Sep 17 00:00:00 2001
From: Wuzzy <almikes@aol.com>
Date: Tue, 5 Sep 2017 15:15:00 +0200
Subject: [PATCH] Don't call minetest.add_item for empty itemstring

---
 mods/ITEMS/mcl_core/functions.lua | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/mods/ITEMS/mcl_core/functions.lua b/mods/ITEMS/mcl_core/functions.lua
index b5f801b88..2c866f1af 100644
--- a/mods/ITEMS/mcl_core/functions.lua
+++ b/mods/ITEMS/mcl_core/functions.lua
@@ -90,6 +90,9 @@ end
 
 local function drop_attached_node(p)
 	local nn = minetest.get_node(p).name
+	if nn == "air" or nn == "ignore" then
+		return
+	end
 	minetest.remove_node(p)
 	for _, item in pairs(minetest.get_node_drops(nn, "")) do
 		local pos = {
@@ -97,7 +100,9 @@ local function drop_attached_node(p)
 			y = p.y + math.random()/2 - 0.25,
 			z = p.z + math.random()/2 - 0.25,
 		}
-		minetest.add_item(pos, item)
+		if item ~= "" then
+			minetest.add_item(pos, item)
+		end
 	end
 end