Spearman can't move and can't attack

This BUG was happening in the golden league Open Qualifier 1.
You can believe it?
This video is my friend flash’s the first-person perspective. Because of this bug he lose the game.
And he is very upset about that.
relic do something!!!

Please forgive me for my poor English

Sorry to see your friend ran into this bug! We’ve had a hard time reproducing this one, but we are definitely keeping an eye on it. Please do report it again if you see it—the more info, the better.