Unrecognized character: ','.

[gautxori-yuyu]

Hello Kerry, there is a bug in Converter, probably related to regional settings, I'm from Spain. When starting the app, the error "Unrecognized character: ','. " is displayed, before the main application window is shown...
May you fix it?
https://ibb.co/yBByWybd

[Lykrast]

Same issue from a computer set in french.