autodismount when gatherer

I have 1 main and 5 atls , when run gatherer , main or atl 1 2 got attack , all atl or random atl dismount . how can fix it ???

[bob]

You are probably pressing keys that are being broadcast to all the Alts and the actions they are then attempting to perform are causing them to dismount.

When you perform certain combat actions, dismounting is fairly normal.