Merc won't follow in map

There's literally no more than I can say than the topic. No matter what i do. Change the merc/dismiss/get them to follow again - when I enter the map "Order to me" is active as well as the merc inventory which should meen they are fine but there is no icon and/or buffs/attacks from them - they are simply nowhere to be found :/

Same. I see the icon, I can look at their inventory, but they aren't there. At all.