Not sure if this is a bug or just a fumble that was too quick to see, but it's a little weird. The result of the play was an 8-yard gain, but the printed play summary noted a tackle for short loss and a fumble, it doesn't mention anything about a recovery.

My guess is that the fumble took a fortunate bounce right back to the hands of the ball carrier and he could continue on without much slowing.

https://ifl.myfootballnow.com/watch/951#166627

Another similar play with a fumble recorded with no recovery.

https://ifl.myfootballnow.com/watch/951#166658

I slowed it down and zoomed in. Ball came out for a milisecond right after he hit the hole.

I thought I saw the same thing, but wasn't sure.