Harmonious Assault calls stunned team mate to assist.

Kurgen

Nothing cheeses me off more when this happens.... Is it a bug or supposed to work this way??

Gungnir75

Just how it works.... Hope it gets changed

Drives me more nuts than when the targets used to change as you pressed the attack button!

Llewella

It's not a bug but they are aware of this and trying to fix. As well as dodging while stunned. Read here.
https://forums.galaxy-of-heroes.starwars.ea.com/discussion/15965/q-a-2-24-2016

LoTEK

What Llewella said. Happens to my Fives a too.

Omnirhyze

Did they have Phasma as lead? Her leader ability could've activated when QGJ used his humbling blow, giving him an assist.

Darth_bane16

Yes they need to fix that and dodging well stunned and yoda dodging the assist well having foresight up