Message
That invite is not valid
That invite is not valid: what the ForestVPN message cp.invite_invalid means, why it appears and what to do about it.
Updated October 11, 2026
The app says: "That invite isn't valid."
What it means
The invite cannot be used.
What to do
Ask the person who shared for a new invite.
Why it happens
It was used already, it expired, it does not exist, or it is your own. The message does not say which, on purpose.
Where you see it
The apps that have the private network show this message, on the Devices and Locations screens. The code is cp.invite_invalid.