The bug leaves a permanent center screen message about someone being targeted by the hackwing.
Code:
user:/AddOns/Samurai/instances/blackrose.lua:28: attempt to index a nil value
stack traceback:
user:/AddOns/Samurai/instances/blackrose.lua:28:
in function 'func'
EsoUI/Libraries/Globals/globalapi.lua:222: in function '(anonymous)'