Amp init --theme --convert does not work


I’m using Atom for many monthes. And I’ve created my custom theme. Unfortunatly I’ve created it only on my local machine. I’ve choosen it some time ago and today I decided to try some other theme changing it in settings. When I’ve changed to another theme - it has changed, but when I wanted to change back to my custom theme, I found out that my custom theme was replaced with Atom Dark. I’ve checked files in c/users/username/github folder and they realy were replaced with Atom Dark. I have not expected this behaviour at all. Is there a way to restore files?

Now I want to recreate my custom theme. Last time i have converted it successfully but I do not remember how. Now I get this error when run command: apm init --theme gingern --convert GingerN-dark.tmTheme. Please advice, how can I convert theme.

    apm init --theme gingern --convert 'GingerN-dark.tmTheme'
    return process.dlopen(module, path._makeLong(filename));

    Error: The specified module could not be found.
        at Error (native)
        at Object.Module._extensions..node (module.js:597:18)
        at Module.load (module.js:487:32)
        at tryModuleLoad (module.js:446:12)
        at Function.Module._load (module.js:438:3)
        at Module.require (module.js:497:17)
        at require (internal/module.js:20:19)
        at Object.<anonymous> (C:\Users\Анастасия\AppData\Local\atom\app-1.17.2\resources\app\node_modules\oniguruma\lib\oniguruma.js:4:17)
        at Object.<anonymous> (C:\Users\Анастасия\AppData\Local\atom\app-1.17.2\resources\app\node_modules\oniguruma\lib\oniguruma.js:69:4)
        at Module._compile (module.js:570:32)