Error: unhandled exception: cannot read from file

![1](https://user-images.githubusercontent.com/12076232/200251622-6bd98e8e-e0c5-412c-8f8b-dc38e5c4439f.png)


```
src\Nanako.nim(4) Nanako
.nimble\pkgs\prologue-0.6.2\prologue\core\nativesettings.nim(108) loadSettings
nim\lib\pure\json.nim(1042) parseFile
Error: unhandled exception: cannot read from file: ./config/config.debug.json [IOError]
Error: execution of an external program failed: 'Nanako\src\Nanako.exe '
```

Why does the code that follows the documentation also report an error?