1. Are you already part of this Slack team? We find many people are already part of this Slack team. Check that first by asking for a password reset here: https://nprdsfriends.slack.com/forgot.
2. Many of your email address domains are already enabled; if so you can automatically add yourself. Check the sign up page (https://nprdsfriends.slack.com/signup) first to see if that is so!
If you do not see your email domain at the above link, fill out this form and we'll get you set up as soon as possible.