Your initial query could go either way, so I'll answer both options.
My toons are breaking follow when I use a formationYour toons are breaking follow because they are being sent individual move commands (curtesy of the formation), and movement tends to break follow in most MMO's. You cant really move in formation because "
FAQ: Why do my toons move in different directions", although you can probably get away with it for short distances..
One of my toons does not break follow when using a formationBecause you are using a formation to stop following, and there is a bug in the current Target for the actions of the formation. To fix this, you need to find the formation mapped key (under Non-Combat), and in the actions, set the target so it contains either the extra brackets in the locations highlighted, or you can change the targets to a simplified version as Lax outlined which is
- Code:
(@(other isboxer) &~dxnothing)#x
where x is a number (try and replace the x with the existing number at the end of the targets for the existing actions).