Fix 404 - Article Preview

Step-by-Step Resolution

1. Verify Article Status

First, confirm that your article is properly saved:

• Check that all required fields are filled out
• Look for any error messages in the article editor
• Ensure the article status is set to "Draft" or appropriate preview state
• Save the article again explicitly

2. Check Preview URL Format

Ensure the preview URL follows the correct format:

• It should begin with your designated preview domain
• Include necessary preview tokens or authentication parameters
• Verify no special characters are being improperly encoded
• Check for any duplicate URL parameters

3. Clear System Cache

If the issue persists:

• Clear your browser cache and cookies
• Flush the content management system's cache
• Clear any CDN cache if applicable
• Restart your browser

Advanced Troubleshooting

Review Server Logs

Note any patterns in timestamps or associated error messages.

Check Preview Token

• Verify the token is not expired
• Confirm it contains the correct article ID
• Check proper encryption
• Validate necessary metadata

Common Error Messages and Solutions

"Preview Not Available"

• Save the article again
• Check preview environment status
• Verify preview generation service is running

"Invalid Preview Token"

• Generate a new preview token
• Check token expiration settings
• Verify token generation service

Prevention Tips

Need Additional Help?

If you continue experiencing issues:

1. Document the exact steps that lead to the error
2. Capture screenshots of the error message
3. Note your browser and CMS version
4. Contact technical support with this information

Technical Details

Preview system architecture:

• Preview requests are routed through a dedicated preview server
• Authentication is handled via encrypted tokens
• Content is served from a preview database
• URLs are generated dynamically based on article metadata