Yikes… this is tough one. No worries, we get you sorted out. Just follow these steps:
1.Restart your mobile phone.
2.Log-in to your Self-Care account to ensure your Service & Account is ACTIVE.
3.Check that your account credit limit in Self-Care is still available.
4.Ensure the message centre number is correct.
5.Verify the number again and ensure the number format is correct.
6.Ensure it's not problems sending message to a specific number. If the issue still persist, get in touch with our Live Chat in Self-Care or use the Online Web Form, and we get back to you with the solution.