Meta didn't finish setting up this number. Delete it on the Connections page, then connect it again.
The number was saved but marked with an error, because Meta didn't send its details or webhooks couldn't be switched on for it. A number in this state doesn't count toward your plan's limit.
Delete the number marked with an error on the Connections page.
Connect it again and finish every step in Meta's window.
If it keeps happening, contact support at hello@theavoxai.com with this code.
Still stuck? Send AVX-3116 to hello@theavoxai.com along with what you were doing when it happened.