Torch visual not showing

Skirmish game. The torches are not burning on the knights to the right. I find this happen when they are ordered to attack the building from a far distance. The 4 knights to the left ordered attack from close, the other from long distance. Same thing happened with horsemen: no torch burning visual if attacked from far away. I noticed the torches were not burning in my campaign game before, so this likely happens in general.

Game v: 5.0.26139