[2021] Class Mastery Respec Bug

I am assuming this is because you put multiple points into Shroud of Dusk? You need at least 10 points in the lower half of Bladedancer to unlock that node, this is explained in the text, “Consequently, at least 10 points must be invested in Bladedancer nodes that require fewer than 10 points in Bladedancer” ; you need 10 points for Shroud of Dusk.