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An invitation won't send or can't be resent

Updated Oct 12, 2026

An invitation won't send or can't be resent ​

When revis.io can't send an invitation, it shows "Failed to invite" followed by the address, or "Failed to resend invitation", with the reason underneath. Find that reason below. Most fixes take a moment: correct the address or the message, revoke an old invitation, or wait and try again.

Before you start

  • Who: organization Owners and Admins. Other members see Invite too, but revis.io refuses their invitations unless they choose a project where they're a Project Admin, and they can't see the pending list.
  • Where: the web app, in Organization settings > Members. Project Admins inviting from a project's members see the same messages.
  • You need: the message revis.io showed.

Why it happens ​

Send Invitations stays unavailable until the dialog is complete. After that, revis.io checks each address on its own, and checks an invitation again each time you resend it. It refuses when the person already has an invitation or is already a member, when the message contains a link, when the address can't or shouldn't get email, or when a sending limit is reached.

What to do ​

Send Invitations is unavailable ​

Check the Invite by Email dialog:

  • At least one address shows as valid under Email Addresses, for example "1 valid email".
  • No address is listed in red as invalid. Correct it or delete it.
  • If you chose a Project (optional), choose a Project Role too. To invite without a project, clear the project instead.

Some addresses went out and others failed ​

revis.io sends the addresses one at a time. Those that went out leave the box, and only the failed ones stay, each with its own error message. Fix or delete them, then select Send Invitations again. revis.io doesn't send the others twice.

Messages when you send ​

MessageWhat it meansWhat to do
"A pending invitation already exists for this email"The address already has an invitation that hasn't been accepted or revoked. Expired invitations count too.Resend it from Invites. If it has expired, revoke it and invite the address again.
"User is already a member of this organisation"The person is already in your organization.Nothing to send. To add them to a project, choose the project and a Project Role and send again: revis.io adds them without an email.
"User already has access to this project"The person is already a member of the project you chose.Nothing to send. Change their project role from the project's members if you need to.
"Invitation messages can't contain links or web addresses."The message contains a link or something that looks like one, such as www.example, studio.com, or a file name like trailer.mov.Remove it from the message and send again.
An error that mentions "String should have at most 500 characters"The message is too long.Shorten the message.
An error that mentions "Enter a valid email address"The address looked valid in the dialog, but revis.io can't accept it, for example because the part after the last dot is too short.Check the address for typos.
"This email address can't receive invitations. Check it for typos."The address doesn't seem to receive email, or it's a disposable address.Check the spelling, or ask the person for another address.
"This address has opted out of invitation emails"The owner of the address turned off invitation emails from revis.io.Invite another address of theirs, or contact Revis support.
"Too many invitations sent, try again later"revis.io limits how many invitations can be sent in a period of time.Wait, then send the rest.
"This address has received too many invitations today"The address has had as many invitations as revis.io allows in a day, resends included.Try again tomorrow.
"Sending invitations is temporarily disabled for this organisation. Contact support."revis.io has paused invitations for your organization and revoked its pending invitations.Contact Revis support, then invite those people again once invitations work.
"Invitations are temporarily unavailable, try again shortly" or "The invitation email could not be sent. Try again later."A temporary problem on revis.io's side. Nothing was sent.Try again in a few minutes.
"No manage_members permission for this object"Your role can't invite people.Ask an organization Owner or Admin to send the invitation.

Messages when you resend ​

Resending can also show the permission, opt-out, sending-limit, paused, and temporary-problem messages above, plus these:

MessageWhat it meansWhat to do
"This invitation was sent recently. Wait a few minutes before resending."revis.io doesn't resend straight after a send.Wait a few minutes, then select Resend invitation again.
"This invitation has been resent too many times"The invitation has reached its resend limit.Revoke it and invite the address again.
"Invitation has expired"The invitation is past the expiry date on its row. Expired invitations stay in the list.Revoke it and invite the address again.
"Invitation is already accepted" or "Invitation is already revoked"Someone accepted or revoked the invitation since the list loaded.Reload the page to update the list.

The Invites list doesn't load ​

"Failed to load invitations" usually means your role can't manage invitations: ask an organization Owner or Admin. If you're an Owner or Admin, reload the page.

For the full invitation steps, see Invite people to your organization.

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