Rekordbox Export Issue

Hello,

I am experiencing this problem as well, but just today!
I plug in my USB key, I export my playlists then I have a message that appears "Export Log.txt" and my key is empty or almost empty. I'm missing 95% of the songs.
Do you have any idea when this problem will be resolved?
I'm on Mac OS Big Sur 11.5.2 and Rekordbox 5.8.6
Thank you for your reply and your help.

Paul