Relevant error lines seems to be:
```[f=-000001] [LoadScreen::SetLoadMessage] text="Loading LuaRules"
[f=-000001] [~ScopedOnceTimer][creg::AutoRegisterCFunctions(LuaRules)] 35ms
[f=-000001] Synced LuaRules: starting loading
[f=-000001] Error: [LuaRules::RunCallInTraceback] error=2 (LUA_ERRRUN) callin=LoadCode trace=[Internal Lua error: Call failure] [LuaVFS::Include(synced=1)][pcall] file=LuaRules/gadgets.lua error=2 ([string "LuaRules/Gadgets/mission_galaxy_campaign_ba..."]:1090: attempt to index local 'customKeys' (a number value)) ptop=3 cenv=0
stack traceback:
[C]: in function 'Include'
[string "LuaRules/draw.lua"]:26: in main chunk```
