From dd660c3c1cb62a9f808140b547c7fdb4d3141998 Mon Sep 17 00:00:00 2001
From: tour <129965577+a-tour-ist@users.noreply.github.com>
Date: Mon, 2 Dec 2024 02:00:02 +0100
Subject: [PATCH] fix crash from bad digiline msg (#144)

---
 autocrafter.lua | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/autocrafter.lua b/autocrafter.lua
index 014c4a5..b4954b6 100644
--- a/autocrafter.lua
+++ b/autocrafter.lua
@@ -598,11 +598,12 @@ minetest.register_node("pipeworks:autocrafter", {
 					if #msg < 3 then return end
 					local inv = meta:get_inventory()
 					for y = 0, 2, 1 do
+						local row = msg[y + 1]
 						for x = 1, 3, 1 do
 							local slot = y * 3 + x
-							if minetest.registered_items[msg[y + 1][x]] then
+							if type(row) == "table" and minetest.registered_items[row[x]] then
 								inv:set_stack("recipe", slot, ItemStack(
-									msg[y + 1][x]))
+									row[x]))
 							else
 								inv:set_stack("recipe", slot, ItemStack(""))
 							end