Shyvana Burnout stops Shyvana from moving {Gameplay}

Playing Aram, I would use Burnout and be unable to move for about a second or would stop moving. It would not happen every time but every 2-3 times using Burnout.

1.Playing on Howling Abyss, with the Championship skin, don't know if the other skins are affected too. 2.Using Burnout, either stop moving, or if activated before moving, be unable to move for about a second.