As you may know, membership have an expiration date: on ZB currency, it has a 1 month validity duration.
If you do not renew your membership, you will be kicked from the community and no more be a member, until you join back. During that time, you won’t be able to certify people neither to co-create your Universal Dividend.
To renew your membership, simply update vucoin:
$ sudo npm install -g vucoin
and send a renew command:
$ ucoin --salt <salt> --passwd <pass> -h twiced.fr -p 9101 renew <uid> --send