DNG logos colour bug on exportation

Hi i'm a french real estate photographer. For a few weeks i have a strange bug.

When i export my clients pictures some random DNG logos are exported in blue when they should be golden. The bug is on my laptop and on my desktop !!! And it happens with different logos. It recently happened with another DNG golden logo. I have to re-export the wrong coloured logos, usually it's ok the 2nd time, great loss of time !

Lightroom Classic 12.2.1

Windows 11