diff --git a/PHI-CL/data/b/gm-vp.lua b/PHI-CL/data/b/gm-vp.lua
index f96629e..8de1950 100644
--- a/PHI-CL/data/b/gm-vp.lua
+++ b/PHI-CL/data/b/gm-vp.lua
@@ -169,7 +169,7 @@ for _, v in pairs({'processing-unit-productivity', 'steel-plate-productivity', '
 end
 
 -- GM-VP C 1 SPACE_AGE RESEARCH
-if data.raw.technology['research-productivity'] then
+if data.raw.technology['research-productivity'] and data.raw.technology['research-productivity'].unit then
     data.raw.technology['research-productivity'].unit.count_formula = '1500 * (1.5 ^ L)'
     data.raw.technology['research-productivity'].unit.ingredients = {{'automation-science-pack', 1}, {'logistic-science-pack', 1}, {'military-science-pack', 1}, {'chemical-science-pack', 1}, {'production-science-pack', 1}, {'utility-science-pack', 1}, {'space-science-pack', 1}}
 end
@@ -180,8 +180,10 @@ if data.raw.technology['automation'] and data.raw.technology['automation'].effec
 end
 
 -- GM-VP A 2 SPACE_AGE RESEARCH_EFFECT
-table.insert(data.raw.technology['fusion-reactor'].effects, {type = 'unlock-recipe', recipe = 'fluoroketone'})
-table.insert(data.raw.technology['fusion-reactor'].effects, {type = 'unlock-recipe', recipe = 'fluoroketone-cooling'})
+if data.raw.technology['fusion-reactor'] and data.raw.technology['fusion-reactor'].effects then
+    table.insert(data.raw.technology['fusion-reactor'].effects, {type = 'unlock-recipe', recipe = 'fluoroketone'})
+    table.insert(data.raw.technology['fusion-reactor'].effects, {type = 'unlock-recipe', recipe = 'fluoroketone-cooling'})
+end
 
 -- GM-VP C 1 BASE RESEARCH
 -- GM-VP C 6 SPACE_AGE RESEARCH
@@ -193,8 +195,10 @@ end
 
 -- GM-VP C 1 BASE ENTITY
 -- GM-VP C 1 SPACE_AGE ENTITY
-for _, v in pairs(data.raw.lab) do
-    v.inputs = {'automation-science-pack', 'logistic-science-pack', 'military-science-pack', 'chemical-science-pack', 'production-science-pack', 'utility-science-pack', 'space-science-pack'}
+if data.raw['lab'] then
+    for _, v in pairs(data.raw['lab']) do
+        v.inputs = {'automation-science-pack', 'logistic-science-pack', 'military-science-pack', 'chemical-science-pack', 'production-science-pack', 'utility-science-pack', 'space-science-pack'}
+    end
 end
 
 -- GM-VP C 2 BASE ENTITY
diff --git a/PHI-CL/data/b/gm.lua b/PHI-CL/data/b/gm.lua
index 0534127..e74c617 100644
--- a/PHI-CL/data/b/gm.lua
+++ b/PHI-CL/data/b/gm.lua
@@ -126,8 +126,10 @@ for _, v in pairs({'artillery-shell-damage-1', 'railgun-damage-1', 'railgun-shoo
 end
 
 -- GM H 1 SPACE_AGE TOOL
-data.raw.tool['promethium-science-pack'].hidden = true
-data.raw.tool['promethium-science-pack'].hidden_in_factoriopedia = true
+if data.raw.tool['promethium-science-pack'] then
+    data.raw.tool['promethium-science-pack'].hidden = true
+    data.raw.tool['promethium-science-pack'].hidden_in_factoriopedia = true
+end
 
 -- GM C 5 BASE RESOURCE
 -- GM C 3 SPACE_AGE RESOURCE
@@ -195,9 +197,11 @@ if data.raw.item['depleted-uranium-fuel-cell'] and data.raw.item['nuclear-fuel']
         localised_description = {'description.charged-train-battery'}
     }})
 
-    for _, v in pairs(data.raw['locomotive']) do
-        if v.energy_source then
-            v.energy_source.burnt_inventory_size = (v.energy_source.burnt_inventory_size and math.max(v.energy_source.burnt_inventory_size, 1)) or 1
+    if data.raw['locomotive'] then
+        for _, v in pairs(data.raw['locomotive']) do
+            if v.energy_source then
+                v.energy_source.burnt_inventory_size = (v.energy_source.burnt_inventory_size and math.max(v.energy_source.burnt_inventory_size, 1)) or 1
+            end
         end
     end
 end
diff --git a/PHI-CL/data/b/mi.lua b/PHI-CL/data/b/mi.lua
index 3460ca2..386052c 100644
--- a/PHI-CL/data/b/mi.lua
+++ b/PHI-CL/data/b/mi.lua
@@ -5,12 +5,14 @@ if settings.startup['PHI-MI-PIPE'].value then
 end
 
 -- MI C 2 BASE ENTITY
-for _, t in pairs({data.raw['construction-robot'], data.raw['logistic-robot']}) do
-    for _, v in pairs(t) do
-        if settings.startup['PHI-MI-ROBOT-ENERGY'].value then
-            v.energy_per_tick = (v.energy_per_tick and '0J') or nil
-            v.energy_per_move = (v.energy_per_move and '0J') or nil
-            v.speed_multiplier_when_out_of_energy = (v.speed_multiplier_when_out_of_energy and 1) or nil
+for _, t in pairs({'construction-robot', 'logistic-robot'}) do
+    if data.raw[t] then
+        for _, v in pairs(data.raw[t]) do
+            if settings.startup['PHI-MI-ROBOT-ENERGY'].value then
+                v.energy_per_tick = (v.energy_per_tick and '0J') or nil
+                v.energy_per_move = (v.energy_per_move and '0J') or nil
+                v.speed_multiplier_when_out_of_energy = (v.speed_multiplier_when_out_of_energy and 1) or nil
+            end
         end
     end
 end
diff --git a/PHI-CL/data/u/mi.lua b/PHI-CL/data/u/mi.lua
index 110e4bb..f4c3879 100644
--- a/PHI-CL/data/u/mi.lua
+++ b/PHI-CL/data/u/mi.lua
@@ -11,7 +11,7 @@ local mod_tint = {
 -- MIGS A 1 BASE ENTITY,ITEM,RECIPE
 -- MIGS A 9 BASE VIRTUAL_SIGNAL
 -- MIGS A 15 SPACE_AGE VIRTUAL_SIGNAL
-if data.raw['constant-combinator']['constant-combinator'] then
+if data.raw['constant-combinator'] and data.raw['constant-combinator']['constant-combinator'] then
     local item = table.deepcopy(data.raw['item']['constant-combinator'])
     item.name = 'super-combinator'
     item.place_result = item.name