This is still a problem in January 2022.
This is the error I get:
Code
2022-01-09 13:47:41.270 LibreELEC USB-SD Creator[68642:1734204] XType: com.apple.fonts is not accessible.
2022-01-09 13:47:41.270 LibreELEC USB-SD Creator[68642:1734204] XType: XTFontStaticRegistry is enabled.
PasteBoard: Error creating pasteboard: com.apple.pasteboard.clipboard [-4960]
PasteBoard: Error creating pasteboard: com.apple.pasteboard.find [-4960]
2022-01-09 13:47:41.682 LibreELEC USB-SD Creator[68642:1734204] The application with bundle ID com.apple.ScriptEditor.id.LibreELEC is running setugid(), which is not allowed. Exiting.