У меня не работает, imgui вроде как есть.
no field package.preload['imgui']
no file 'C:\Games\GTA San Andreas\moonloader\lib\imgui.lua'
no file 'C:\Games\GTA San Andreas\moonloader\lib\imgui\init.lua'
no file 'C:\Games\GTA San Andreas\moonloader\imgui.lua'
no file 'C:\Games\GTA San Andreas\moonloader\imgui\init.lua'
no file '.\imgui.lua'
no file 'C:\Games\GTA San Andreas\moonloader\lib\imgui.luac'
no file 'C:\Games\GTA San Andreas\moonloader\lib\imgui\init.luac'
no file 'C:\Games\GTA San Andreas\moonloader\imgui.luac'
no file 'C:\Games\GTA San Andreas\moonloader\imgui\init.luac'
no file '.\imgui.luac'
no file 'C:\Games\GTA San Andreas\moonloader\lib\imgui.dll'
у тебя imgui нет