_tribe_wooticket_attendee_optout appearing on my invoice Post date Home › Forums › Ticket Products › Event Tickets Plus › _tribe_wooticket_attendee_optout appearing on my invoice This topic has 4 replies, 3 voices, and was last updated 7 years, 11 months ago by Support Droid. Viewing 1 post (of 1 total) Author Posts May 18, 2018 at 5:32 pm #1534320 Support DroidKeymaster This support thread is private. Author Posts Viewing 1 post (of 1 total) The topic ‘_tribe_wooticket_attendee_optout appearing on my invoice’ is closed to new replies. → Please verify your API key is correctly entered on the settings