Journey quest bug

Game mode: Online
Problem: Bug
Region: [Here]

Me and all my friends have a bug with Journey [equip a piece of light armor] we made light arrmor but it didn’t work for us and we tried other ways but every thing didn’t work. please tell me how to fix this glitch

Don’t play on official. Bug doesn’t happen on unofficial servers.

and i have glitch with servers too that all server are 40/40 and it’s not real there are 16 players only please fix this FFFIIIIIIXXXX