[Bug] Mifare Classic, keys found: 0/32, sectors read 16/16 after "Lost the tag!" screen

Sometimes “Lost the tag!” screen blinks for a fraction of second while searching keys for Mifare Classic even if card is well positioned under Flipper.
Once after that kind of blink, Flipper wrote that 16/16 sectors are read but still 0/32 keys found. I thought it’s obviously a glitch and didn’t save that result. Probably I had to check the dump on the “Info” screen to see if Flipper crash or freeze, my bad. Or is there a possibility that some distorted dictionary key actually unlocked 16 sectors?
I can’t reproduce it now, but if it happens again, I’ll send the dump.