One thing you might try, if the issue persists, is formatting the card with the SD Assoication’s Formatter software–that sometimes clears issues away. https://www.sdcard.org/downloads/formatter_3/
One thing you might try, if the issue persists, is formatting the card with the SD Assoication’s Formatter software–that sometimes clears issues away. https://www.sdcard.org/downloads/formatter_3/