Troubleshooting Two-Factor Authentication (2FA) Login Issues

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Common Issues and Solutions

1. “Invalid Code” or “Code Expired” Error

The most common cause of an invalid code error is a slight time desynchronization (clock drift) between your smartphone and the authentication server.

  • For Android: Open your authenticator app > Go to Settings > Tap Time correction for codes > Tap Sync now.

  • For iOS (iPhone): Go to your device Settings > General > Date & Time > Toggle Set Automatically off and back on.

  • Ensure you submit the code before the countdown timer in your app expires.

2. The Login Page Keeps Refreshing

  • Clear your browser cache and cookies, or try an Incognito/Private browsing window.

  • Ensure cookies and JavaScript are enabled in your browser settings.

3. Not Receiving SMS/Text Codes?

  • Our system uses time-based software authenticator apps (TOTP), not SMS text messaging. Codes are generated offline directly inside your authenticator app (2FAS, Google Authenticator, or Microsoft Authenticator).

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