Why Am I Getting a 'The Page Has Expired Due to Inactivity' Error in My Laravel 5.5 Registration Form?

Laravel 5.5: "The Page Has Expired Due to Inactivity"

Scenario:

You encounter an error when submitting a form, particularly for user registration. The error message reads "The page has expired due to inactivity. Please refresh and try again."

Root Cause:

This error typically arises when the CSRF token validation fails. Let's assume you have already included {{ csrf_field() }} in your form. The issue may lie elsewhere.

Troubleshooting:

1. Check the Session Driver:

   In the config/session.php file, ensure that the session driver is set to "file" instead of "array." The array driver is intended for testing purposes only and does not persist session data, which includes the CSRF token.

2. Verify File Storage Permissions:

   If your session driver is set to "file," verify that the storage_path in config/session.php has write permissions. This is where the session files are stored, which contains the token information.

3. Check Session Cookies:

   Review the config/session.php file and ensure that the cookie parameters are properly configured, such as the domain and secure settings. If your development environment is not using HTTPS, set the secure parameter to false.

4. Review CSRF Token Handling:

   Check your Application HTTP Middleware (/app/Http/Middleware/VerifyCsrfToken.php) to verify that the CSRF token middleware is being applied to the route. If this middleware is disabled, CSRF token validation will fail.

Additional Notes:

• If you suspect the issue lies in your form'sCSRF token implementation, try inspecting the network tab of your browser's developer tools to verify that the token is being sent with the request.
• If none of the above solutions resolve the issue, consider clearing the Laravel cache and all session files to reset the session state.

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