Sealed tome of the lost legion ( green flame and fire for warlock) quest line

Guys have you noticed that the quest chain for the green fire for warlock is not working ?
Do you know any news or information about it ?

this is the quest https://www.youtube.com/watch?v=jOVpAjMguxQ
if anyone know if it works or if Devlog working on it tell us

thanks in advance

some players say its not working at the moment... iam farming the book myself but i will keep it until the quest be fixed

Its not working atm. :(