Reply To: Site getting a 504 Gateway Time-out error after submitting message Home › Forums › Front End PM PRO › Site getting a 504 Gateway Time-out error after submitting message › Reply To: Site getting a 504 Gateway Time-out error after submitting message June 20, 2018 at 9:20 pm #15144 David HudginsParticipant I do, but i can’t seem to invite “@shamim51” to a channel or DM. I think i need an email address. I’m I missing something? Thank you!