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21739: Brand Registration Failure: 2FA Verification Failed or Timed Out



ERROR: 21739

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PROGRAMMABLE MESSAGING
ERROR

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

Possible Causes

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

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