fix runtime crash with Cerys

changelog.txt

@@ -1,4 +1,9 @@
 ---------------------------------------------------------------------------------------------------
+Version: 2.0.3
+Date: 2024-12-24
+  Fixes:
+    - Fix runtime crash with Cerys mod
+---------------------------------------------------------------------------------------------------
 Version: 2.0.2
 Date: 2024-12-24
   Fixes:

control-util.lua

@@ -99,7 +99,14 @@ end
 -- https://forums.factorio.com/viewtopic.php?f=7&t=124996&p=655013#p655013
 function util.ore_workaround(event)
   for i, ore in pairs(util.me.ores_for_workaround) do
-    if event.surface.map_gen_settings.autoplace_controls["titanium-ore"] then return end
+    if (
+        event.surface and
+        event.surface.map_gen_settings and
+        event.surface.map_gen_settings.autoplace_controls and
+        event.surface.map_gen_settings.autoplace_controls["titanium-ore"]
+    ) then
+      return
+    end
     if event.surface.name ~= "nauvis" then return end
     if math.random() < settings.global[util.me.name.."-ore-workaround-probability"].value then
       util.generate_ore(event, ore.name, ore.amount, ore.tiles)

info.json

@@ -1,6 +1,6 @@
 {
     "name": "bztitanium",
-    "version": "2.0.2",
+    "version": "2.0.3",
     "factorio_version": "2.0",
     "title": "Titanium",
     "author": "Brevven",