Dance bard not work

i have 2 bard
1 make guard and secend bard not make anythings
i used ver 21.8.6

try this :
first bard : mana tambour
second bard : dance and guard tambour
dont use awesome word when 2 bard on pt
working simplely like that =)

fisrt bard : gurad tambour
second bard : dance mana tambour
but sec bard not do make dance

mana switch in party buffring not doing

delete pt buff mana switch and other and look if dance work
after mak one by one buff pt
he work i use same versions as you