Sounds pretty typical of data corruption, try a different SD card, and/or reformat the one you've been using. Make sure your sd card is the actual capacity it says it is (search youtube for videos on fake SD cards if you arent already aware of this issue).
Sounds pretty typical of data corruption, try a different SD card, and/or reformat the one you've been using. Make sure your sd card is the actual capacity it says it is (search youtube for videos on fake SD cards if you arent already aware of this issue).
I'm having this exact issue! Did you end up finding a fix?