Can't make log file for a plugin

[artrointel]

StreamDeck0.log always shows,

08:45:16.344 StreamDeck EGQTDebugLogsManager::OpenLogFile(): Failed to open the log file C:\Users\김우현\AppData\Roaming\Elgato\StreamDeck\logs\com.elgato.cpu0.log

When I try to put a log message in source code,
mConnectionManager->LogMessage("hello");

I guess it is not an issue about the permission of this log folder since the SD always update the StreamDeck0.log file which is in the same directory.

So, at least now I can't make any log message for c++ app debugging.
Please let me know how can I make it work.

[FibreFoX]

Maybe this has something to do with non-latin characters inside the path? Have you checked this with a latin-only-username? (this is just a wild guess)