From d7a86161fe3f261f3d6c08f96dee2d9a099b9598 Mon Sep 17 00:00:00 2001
From: TenPlus1 <kinsellaja@yahoo.com>
Date: Sun, 30 Oct 2016 21:41:22 +0000
Subject: [PATCH] added error checking for unknown items

---
 init.lua | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/init.lua b/init.lua
index d973868..416dea1 100644
--- a/init.lua
+++ b/init.lua
@@ -384,6 +384,12 @@ local lucky_block = function(pos, digger)
 				item = item .. all_colours[math.random(#all_colours)]
 			end
 
+			if not minetest.registered_nodes[item]
+			and not minetest.registered_craftitems[item]
+			and not minetest.registered_tools[item] then
+				item = "default:coal_lump"
+			end
+
 			local obj = minetest.add_item(pos, item)
 
 			if obj then
@@ -494,6 +500,11 @@ local lucky_block = function(pos, digger)
 			})
 		end
 
+		if not minetest.registered_nodes[nod] then
+			print (nod)
+			nod = "default:goldblock"
+		end
+
 		minetest.after(2.0, function()
 
 			if exp then