Psychopsis Roots-- Died before hitting medium?

[Spotted Milti]

Hi guys!
I have a big beautiful Psychopsis Mendenhall 'Hildos' and I've had a question in my head that's been bothering me for a while so I figured I'd go ahead and get if off my chest. A couple months after I got it, I noticed it started three new roots from the base of one of its newer growths, and they had great green tips. But about a week later I saw the tips had browned and withered before they even reached the medium. Would this have been a watering issue on my part? The rest of the plant is fine and it doesn't seem to have noticed the loss of those little roots, but it kind of bothered me to see those die off so quickly.

Thank you