---
page_type: error
code: 21739
message: "21739: Brand Registration Failure: 2FA Verification Failed or Timed Out"
level: ERROR
product: Programmable Messaging
---

## Description

The 2FA process was not completed successfully. The PIN code may not have been entered, or the session timed out.

### Possible Causes

The user failed to act on the verification email or the verification expired.

### Possible Solutions

Re-initiate 2FA and ensure the brand contact completes the verification in time. Confirm email deliverability and urgency with the user.