Check the message shown in the app. Codes can be replaced, links can expire or reach their usage limit, and protected clubs may require a password or approval.

Step by step

  1. Check your connection and make sure you are using the right account.
  2. Copy the entire code without extra spaces.
  3. For a personal invitation, check the username it was sent to.
  4. Ask an admin for an updated invitation or approval of your request, depending on the club's joining rules.