Wondering if you also completed the Noonfrost mission in the meantime?
A couple others (including myself) seem to be running into the same issue too, and I suspect the Noonfrost mission is triggering it: https://forums.obsidian.net/topic/77559-bug-transcendent-suffering-disabled/
Might be an easy fix if I could remove my monk from my party then add her back, but she is also my Watcher...