Removing the card and reformatting fixes the issue for sure, perhaps just removing and reinserting it would be enough. This is a different issue than #47
Unless there is a way to powercycle the card without removing it from the slot, a possible workaround is to retry a few times.
HW: ONE+ Sketch: DataLogger v5
About half of the times I flash a new firmware, at the next boot the SD card will fail to mount with this error:
Removing the card and reformatting fixes the issue for sure, perhaps just removing and reinserting it would be enough. This is a different issue than #47
Unless there is a way to powercycle the card without removing it from the slot, a possible workaround is to retry a few times.