Invite to join Board but unable to join.

[Evelyn Tan]

Error message:  you can't join this board because you're not a managed enterprise member of the board's workspace's organization.

[Theodoro Reato]

Hey Evelyn

Welcome to the Community,

Your colleague invited you to a board where the settings prevent users outside their Domain or Workspace. You need to ask your colleague to reach our team (www.trello.com/contact)and provide the board's link and your e-mail, with that we can help you.