When you get Blocked For 30 Seconds but see no effects. WTF is this for? I had it go nuts when reviving.

I've had it before for 6 Seconds in another screen shot i have, but still no clue what it's for because in that one there's no team mates around.

I've had it before for 6 Seconds in another screen shot i have, but still no clue what it's for because in that one there's no team mates around.