2.4.8 Can't create New Administrator with 2FA enabled

[ajung2]

Preconditions and environment

• Magento version 2.4.8
• Anything else that would help a developer reproduce the bug

Steps to reproduce

1. Enable 2FA in Magento
2. Login in Magento backend
3. Stores > Permissions > All Users > Add New User
4. Put only necessary data to Save User
5. No Error but redirected to backend start page

Expected result

Create new Admin user.

Actual result

Got redirected to startpage with no error msg, also no logs in exception.log

Additional information

Troubleshooting in IDE:

Spin Up Debugger on Save Button, catch Exception
Magento\TwoFactorAuth\Model\UserConfigManager::getProvidersCodes(): Return value must be of type array, null returned

Set debugger on
module-two-factor-auth/Model/UserConfigManager.php
$userConfig = $this->getUserConfiguration($userId);

Sometimes get NULL from $userConfig then it crash of return type error.

Here my fix for this problem

public function getProvidersCodes(int $userId): array
{
    $userConfig = $this->getUserConfiguration($userId);

    //this if fixed the issue
    if (!$userConfig->getData('providers')) {
        return [];
    }
    return $userConfig->getData('providers');
}

Release note

Create new Administrator with 2FA enabled fail!

Triage and priority

• Severity: S0 - Affects critical data or functionality and leaves users without workaround.
• Severity: S1 - Affects critical data or functionality and forces users to employ a workaround.
• Severity: S2 - Affects non-critical data or functionality and forces users to employ a workaround.
• Severity: S3 - Affects non-critical data or functionality and does not force users to employ a workaround.
• Severity: S4 - Affects aesthetics, professional look and feel, “quality” or “usability”.

[m2-assistant]

Hi @ajung2. Thank you for your report.
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[m2-assistant]

Hi @engcom-Bravo. Thank you for working on this issue.
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[engcom-Bravo]

Hi @ajung2,

Thanks for your reporting and collaboration.

We have tried to reproduce the issue in Latest 2.4-develop instance and we are not able to reproduce the issue.Kindly refer the attached video.

Screen.Recording.2025-08-08.at.2.07.40.pm.mov

admin user was created successfully.

Kindly recheck the issue in Latest magento instance and elaborate the steps to reproduce if the issue is still reproducible.

Thanks.

[ajung2]

@engcom-Bravo You testing on 2.4.9 we are on 2.4.8. Please test it on 2.4.8 thanks.