From 08fb6c4b3660a337e0ee348e5a55251b264b1256 Mon Sep 17 00:00:00 2001
From: Erkigmo <122825731+Erkigmo@users.noreply.github.com>
Date: Tue, 9 Jan 2024 21:59:00 -0500
Subject: [PATCH 1/4] Fix crash with Pyanodons

---
 angelsrefining/prototypes/override-functions.lua | 1 +
 1 file changed, 1 insertion(+)

diff --git a/angelsrefining/prototypes/override-functions.lua b/angelsrefining/prototypes/override-functions.lua
index 7fdec33e3..9ed3226c1 100644
--- a/angelsrefining/prototypes/override-functions.lua
+++ b/angelsrefining/prototypes/override-functions.lua
@@ -969,6 +969,7 @@ local function adjust_technology(tech, k) -- check a tech for basic adjustments
   end
   for i = #tech.unit.ingredients, 1, -1 do
     local pack = tech.unit.ingredients[i]
+    if not pack then return end
     local nk = pack.name and "name" or 1
     local ak = pack.name and "amount" or 2
     if to_remove[pack[nk]] then

From 4413742c66f8ebc5aaf0e07157574b9cd5e98110 Mon Sep 17 00:00:00 2001
From: Erkigmo <122825731+Erkigmo@users.noreply.github.com>
Date: Wed, 10 Jan 2024 17:04:53 -0500
Subject: [PATCH 2/4] Better crash fix

---
 .../prototypes/override-functions.lua         | 37 ++++++++++---------
 1 file changed, 20 insertions(+), 17 deletions(-)

diff --git a/angelsrefining/prototypes/override-functions.lua b/angelsrefining/prototypes/override-functions.lua
index 9ed3226c1..e1f1f4e52 100644
--- a/angelsrefining/prototypes/override-functions.lua
+++ b/angelsrefining/prototypes/override-functions.lua
@@ -1,6 +1,8 @@
 local RB = require("prototypes.recipe-builder")
 require("prototypes.angels-functions")
 
+local Test = {}
+
 local ov_functions = {}
 -- OVERRIDE DATA TABLES
 local substitution_table, disable_table, modify_table, override_table, patch_table
@@ -969,25 +971,26 @@ local function adjust_technology(tech, k) -- check a tech for basic adjustments
   end
   for i = #tech.unit.ingredients, 1, -1 do
     local pack = tech.unit.ingredients[i]
-    if not pack then return end
-    local nk = pack.name and "name" or 1
-    local ak = pack.name and "amount" or 2
-    if to_remove[pack[nk]] then
-      table.remove(tech.unit.ingredients, i)
-    else
-      if substitution_table.science_packs[pack[nk]] then
-        pack[ak] = substitution_table.science_packs[pack[nk]].amount
-        pack[nk] = substitution_table.science_packs[pack[nk]].add
-      end
-      if modifications and modifications[pack[nk]] then
-        if modifications[pack[nk]] > 0 then
-          dup_table[pack[nk]] = true
-          pack[ak] = modifications[pack[nk]]
+    if pack then
+      local nk = pack.name and "name" or 1
+      local ak = pack.name and "amount" or 2
+      if to_remove[pack[nk]] then
+        table.remove(tech.unit.ingredients, i)
+      else
+        if substitution_table.science_packs[pack[nk]] then
+          pack[ak] = substitution_table.science_packs[pack[nk]].amount
+          pack[nk] = substitution_table.science_packs[pack[nk]].add
+        end
+        if modifications and modifications[pack[nk]] then
+          if modifications[pack[nk]] > 0 then
+            dup_table[pack[nk]] = true
+            pack[ak] = modifications[pack[nk]]
+          else
+            table.remove(tech.unit.ingredients, i)
+          end
         else
-          table.remove(tech.unit.ingredients, i)
+          dup_table[pack[nk]] = true
         end
-      else
-        dup_table[pack[nk]] = true
       end
     end
   end

From d4b2ef8187318fe4fd22957c99b86c9e59006ada Mon Sep 17 00:00:00 2001
From: Erkigmo <122825731+Erkigmo@users.noreply.github.com>
Date: Wed, 10 Jan 2024 17:08:19 -0500
Subject: [PATCH 3/4] Remove table I used for testing

---
 angelsrefining/prototypes/override-functions.lua | 2 --
 1 file changed, 2 deletions(-)

diff --git a/angelsrefining/prototypes/override-functions.lua b/angelsrefining/prototypes/override-functions.lua
index e1f1f4e52..7241a7bb8 100644
--- a/angelsrefining/prototypes/override-functions.lua
+++ b/angelsrefining/prototypes/override-functions.lua
@@ -1,8 +1,6 @@
 local RB = require("prototypes.recipe-builder")
 require("prototypes.angels-functions")
 
-local Test = {}
-
 local ov_functions = {}
 -- OVERRIDE DATA TABLES
 local substitution_table, disable_table, modify_table, override_table, patch_table

From b4298d306f9983e05da14bc2b24f1a9fe2e6c72b Mon Sep 17 00:00:00 2001
From: KiwiHawk <59639+KiwiHawk@users.noreply.github.com>
Date: Sat, 13 Jan 2024 18:15:02 +1300
Subject: [PATCH 4/4] Updating changelog #968

---
 angelsrefining/changelog.txt | 5 +++++
 angelsrefining/info.json     | 2 +-
 2 files changed, 6 insertions(+), 1 deletion(-)

diff --git a/angelsrefining/changelog.txt b/angelsrefining/changelog.txt
index 5830d184c..0c32ab687 100644
--- a/angelsrefining/changelog.txt
+++ b/angelsrefining/changelog.txt
@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 0.12.7
+Date: ???
+  Changes:
+    - Changed library function to handle bad input data (968)
+---------------------------------------------------------------------------------------------------
 Version: 0.12.6
 Date: 04.01.2024
   Bugfixes:
diff --git a/angelsrefining/info.json b/angelsrefining/info.json
index cdd492475..b11e9e510 100644
--- a/angelsrefining/info.json
+++ b/angelsrefining/info.json
@@ -1,6 +1,6 @@
 {
   "name": "angelsrefining",
-  "version": "0.12.6",
+  "version": "0.12.7",
   "factorio_version": "1.1",
   "title": "Angel's Refining",
   "author": "Arch666Angel",