A common cause is not having properly set an invite on invite.maidsafe.net , or having changed IP adress since you set the invite. In this case you just need to update your IP by visiting again invite.maidsafe.net
A common cause is not having properly set an invite on invite.maidsafe.net , or having changed IP adress since you set the invite. In this case you just need to update your IP by visiting again invite.maidsafe.net